Finding the Fourth Proportional to 86,556,468.86, 129,628,624.71 and 50,087,981.42

Step by Step Solution

1. Step 1: Write the proportion equation
   86,556,468.86 : 129,628,624.71 = 50,087,981.42 : x
2. Step 2: Convert to fraction form
   86,556,468.86/129,628,624.71 = 50,087,981.42/x
3. Step 3: Cross multiply
   86,556,468.86x = 129,628,624.71 × 50,087,981.42
4. Step 4: Simplify right side
   86,556,468.86x = 6,492,836,145,974,633
5. Step 5: Solve for x
   x = 6,492,836,145,974,633/86,556,468.86
6. Step 6: Final answer
   x = 75,012,719.81