Finding the Fourth Proportional to 9,952.32, 14,915.16 and 5,271.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,952.32 : 14,915.16 = 5,271.20 : x
2. Step 2: Convert to fraction form
   9,952.32/14,915.16 = 5,271.20/x
3. Step 3: Cross multiply
   9,952.32x = 14,915.16 × 5,271.20
4. Step 4: Simplify right side
   9,952.32x = 78,620,791.39
5. Step 5: Solve for x
   x = 78,620,791.39/9,952.32
6. Step 6: Final answer
   x = 7,899.75