Finding the Fourth Proportional to 9,359,689.92, 12,916,457.55 and 5,492,275.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359,689.92 : 12,916,457.55 = 5,492,275.62 : x
2. Step 2: Convert to fraction form
   9,359,689.92/12,916,457.55 = 5,492,275.62/x
3. Step 3: Cross multiply
   9,359,689.92x = 12,916,457.55 × 5,492,275.62
4. Step 4: Simplify right side
   9,359,689.92x = 70,940,744,898,629.94
5. Step 5: Solve for x
   x = 70,940,744,898,629.94/9,359,689.92
6. Step 6: Final answer
   x = 7,579,390.50