Finding the Fourth Proportional to 10,932.32, 16,396.72 and 3,911.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,932.32 : 16,396.72 = 3,911.02 : x
2. Step 2: Convert to fraction form
   10,932.32/16,396.72 = 3,911.02/x
3. Step 3: Cross multiply
   10,932.32x = 16,396.72 × 3,911.02
4. Step 4: Simplify right side
   10,932.32x = 64,127,899.85
5. Step 5: Solve for x
   x = 64,127,899.85/10,932.32
6. Step 6: Final answer
   x = 5,865.90