Finding the Fourth Proportional to 11,231,819.95, 15,509,359.83 and 7,109,124.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,231,819.95 : 15,509,359.83 = 7,109,124.04 : x
2. Step 2: Convert to fraction form
   11,231,819.95/15,509,359.83 = 7,109,124.04/x
3. Step 3: Cross multiply
   11,231,819.95x = 15,509,359.83 × 7,109,124.04
4. Step 4: Simplify right side
   11,231,819.95x = 110,257,962,812,463.31
5. Step 5: Solve for x
   x = 110,257,962,812,463.31/11,231,819.95
6. Step 6: Final answer
   x = 9,816,571.43