Finding the Fourth Proportional to 13,002.88, 19,466.24 and 8,057.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.88 : 19,466.24 = 8,057.60 : x
2. Step 2: Convert to fraction form
   13,002.88/19,466.24 = 8,057.60/x
3. Step 3: Cross multiply
   13,002.88x = 19,466.24 × 8,057.60
4. Step 4: Simplify right side
   13,002.88x = 156,851,175.42
5. Step 5: Solve for x
   x = 156,851,175.42/13,002.88
6. Step 6: Final answer
   x = 12,062.80