Finding the Fourth Proportional to 10,665.54, 15,998.24 and 5,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.54 : 15,998.24 = 5,737.50 : x
2. Step 2: Convert to fraction form
   10,665.54/15,998.24 = 5,737.50/x
3. Step 3: Cross multiply
   10,665.54x = 15,998.24 × 5,737.50
4. Step 4: Simplify right side
   10,665.54x = 91,789,916.34
5. Step 5: Solve for x
   x = 91,789,916.34/10,665.54
6. Step 6: Final answer
   x = 8,606.21