Finding the Fourth Proportional to 112,753,940,196.51, 155,603,386,492.39 and 61,315,508,470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   112,753,940,196.51 : 155,603,386,492.39 = 61,315,508,470.12 : x
2. Step 2: Convert to fraction form
   112,753,940,196.51/155,603,386,492.39 = 61,315,508,470.12/x
3. Step 3: Cross multiply
   112,753,940,196.51x = 155,603,386,492.39 × 61,315,508,470.12
4. Step 4: Simplify right side
   112,753,940,196.51x = 9,540,900,762,453,184,348,160
5. Step 5: Solve for x
   x = 9,540,900,762,453,184,348,160/112,753,940,196.51
6. Step 6: Final answer
   x = 84,617,005,364.29