Finding the Fourth Proportional to 10,581.31, 14,598.03 and 7,393.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581.31 : 14,598.03 = 7,393.78 : x
2. Step 2: Convert to fraction form
   10,581.31/14,598.03 = 7,393.78/x
3. Step 3: Cross multiply
   10,581.31x = 14,598.03 × 7,393.78
4. Step 4: Simplify right side
   10,581.31x = 107,934,622.25
5. Step 5: Solve for x
   x = 107,934,622.25/10,581.31
6. Step 6: Final answer
   x = 10,200.50