Finding the Fourth Proportional to 86,780,477.89, 119,757,962.88 and 47,624,790.73

Step by Step Solution

1. Step 1: Write the proportion equation
   86,780,477.89 : 119,757,962.88 = 47,624,790.73 : x
2. Step 2: Convert to fraction form
   86,780,477.89/119,757,962.88 = 47,624,790.73/x
3. Step 3: Cross multiply
   86,780,477.89x = 119,757,962.88 × 47,624,790.73
4. Step 4: Simplify right side
   86,780,477.89x = 5,703,447,920,411,107
5. Step 5: Solve for x
   x = 5,703,447,920,411,107/86,780,477.89
6. Step 6: Final answer
   x = 65,722,706.99