Finding the Fourth Proportional to 28,610.98, 42,915.56 and 8,884.24

Step by Step Solution

1. Step 1: Write the proportion equation
   28,610.98 : 42,915.56 = 8,884.24 : x
2. Step 2: Convert to fraction form
   28,610.98/42,915.56 = 8,884.24/x
3. Step 3: Cross multiply
   28,610.98x = 42,915.56 × 8,884.24
4. Step 4: Simplify right side
   28,610.98x = 381,272,112.56
5. Step 5: Solve for x
   x = 381,272,112.56/28,610.98
6. Step 6: Final answer
   x = 13,326.08