Finding the Fourth Proportional to 5,925.32, 8,169.90 and 3,932.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,925.32 : 8,169.90 = 3,932.72 : x
2. Step 2: Convert to fraction form
   5,925.32/8,169.90 = 3,932.72/x
3. Step 3: Cross multiply
   5,925.32x = 8,169.90 × 3,932.72
4. Step 4: Simplify right side
   5,925.32x = 32,129,929.13
5. Step 5: Solve for x
   x = 32,129,929.13/5,925.32
6. Step 6: Final answer
   x = 5,422.48