Finding the Fourth Proportional to 10,400.20, 14,354.77 and 5,925.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,400.20 : 14,354.77 = 5,925.05 : x
2. Step 2: Convert to fraction form
   10,400.20/14,354.77 = 5,925.05/x
3. Step 3: Cross multiply
   10,400.20x = 14,354.77 × 5,925.05
4. Step 4: Simplify right side
   10,400.20x = 85,052,708.34
5. Step 5: Solve for x
   x = 85,052,708.34/10,400.20
6. Step 6: Final answer
   x = 8,177.99