Finding the Fourth Proportional to 7,490.99, 10,381.27 and 7,385.29

Step by Step Solution

1. Step 1: Write the proportion equation
   7,490.99 : 10,381.27 = 7,385.29 : x
2. Step 2: Convert to fraction form
   7,490.99/10,381.27 = 7,385.29/x
3. Step 3: Cross multiply
   7,490.99x = 10,381.27 × 7,385.29
4. Step 4: Simplify right side
   7,490.99x = 76,668,645.10
5. Step 5: Solve for x
   x = 76,668,645.10/7,490.99
6. Step 6: Final answer
   x = 10,234.78