Finding the Fourth Proportional to 10,383.98, 15,550.53 and 9,385.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,383.98 : 15,550.53 = 9,385.52 : x
2. Step 2: Convert to fraction form
   10,383.98/15,550.53 = 9,385.52/x
3. Step 3: Cross multiply
   10,383.98x = 15,550.53 × 9,385.52
4. Step 4: Simplify right side
   10,383.98x = 145,949,849.20
5. Step 5: Solve for x
   x = 145,949,849.20/10,383.98
6. Step 6: Final answer
   x = 14,055.29