Finding the Fourth Proportional to 85,859,039.50, 128,772,131.63 and 33,336,712.14

Step by Step Solution

1. Step 1: Write the proportion equation
   85,859,039.50 : 128,772,131.63 = 33,336,712.14 : x
2. Step 2: Convert to fraction form
   85,859,039.50/128,772,131.63 = 33,336,712.14/x
3. Step 3: Cross multiply
   85,859,039.50x = 128,772,131.63 × 33,336,712.14
4. Step 4: Simplify right side
   85,859,039.50x = 4,292,839,483,803,499
5. Step 5: Solve for x
   x = 4,292,839,483,803,499/85,859,039.50
6. Step 6: Final answer
   x = 49,998,689.82