Finding the Fourth Proportional to 10,859.62, 16,291.32 and 3,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.62 : 16,291.32 = 3,932.50 : x
2. Step 2: Convert to fraction form
   10,859.62/16,291.32 = 3,932.50/x
3. Step 3: Cross multiply
   10,859.62x = 16,291.32 × 3,932.50
4. Step 4: Simplify right side
   10,859.62x = 64,065,615.90
5. Step 5: Solve for x
   x = 64,065,615.90/10,859.62
6. Step 6: Final answer
   x = 5,899.43