Finding the Fourth Proportional to 10,511.74, 15,773.72 and 3,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,511.74 : 15,773.72 = 3,942.50 : x
2. Step 2: Convert to fraction form
   10,511.74/15,773.72 = 3,942.50/x
3. Step 3: Cross multiply
   10,511.74x = 15,773.72 × 3,942.50
4. Step 4: Simplify right side
   10,511.74x = 62,187,891.10
5. Step 5: Solve for x
   x = 62,187,891.10/10,511.74
6. Step 6: Final answer
   x = 5,916.04