Finding the Fourth Proportional to 10,045.72, 13,861.81 and 5,569.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,045.72 : 13,861.81 = 5,569.43 : x
2. Step 2: Convert to fraction form
   10,045.72/13,861.81 = 5,569.43/x
3. Step 3: Cross multiply
   10,045.72x = 13,861.81 × 5,569.43
4. Step 4: Simplify right side
   10,045.72x = 77,202,380.47
5. Step 5: Solve for x
   x = 77,202,380.47/10,045.72
6. Step 6: Final answer
   x = 7,685.10