Finding the Fourth Proportional to 136,066.24, 204,101.52 and 51,831.12

Step by Step Solution

1. Step 1: Write the proportion equation
   136,066.24 : 204,101.52 = 51,831.12 : x
2. Step 2: Convert to fraction form
   136,066.24/204,101.52 = 51,831.12/x
3. Step 3: Cross multiply
   136,066.24x = 204,101.52 × 51,831.12
4. Step 4: Simplify right side
   136,066.24x = 10,578,810,375.30
5. Step 5: Solve for x
   x = 10,578,810,375.30/136,066.24
6. Step 6: Final answer
   x = 77,747.50