Finding the Fourth Proportional to 6,915.89, 9,544.20 and 3,932.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,915.89 : 9,544.20 = 3,932.00 : x
2. Step 2: Convert to fraction form
   6,915.89/9,544.20 = 3,932.00/x
3. Step 3: Cross multiply
   6,915.89x = 9,544.20 × 3,932.00
4. Step 4: Simplify right side
   6,915.89x = 37,527,767.72
5. Step 5: Solve for x
   x = 37,527,767.72/6,915.89
6. Step 6: Final answer
   x = 5,426.31