Finding the Fourth Proportional to 10,925,285.20, 16,397,842.20 and 5,537,683.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925,285.20 : 16,397,842.20 = 5,537,683.60 : x
2. Step 2: Convert to fraction form
   10,925,285.20/16,397,842.20 = 5,537,683.60/x
3. Step 3: Cross multiply
   10,925,285.20x = 16,397,842.20 × 5,537,683.60
4. Step 4: Simplify right side
   10,925,285.20x = 90,806,061,826,327.91
5. Step 5: Solve for x
   x = 90,806,061,826,327.91/10,925,285.20
6. Step 6: Final answer
   x = 8,311,550.70