Finding the Fourth Proportional to 88,624.78, 132,962.91 and 28,651.98

Step by Step Solution

1. Step 1: Write the proportion equation
   88,624.78 : 132,962.91 = 28,651.98 : x
2. Step 2: Convert to fraction form
   88,624.78/132,962.91 = 28,651.98/x
3. Step 3: Cross multiply
   88,624.78x = 132,962.91 × 28,651.98
4. Step 4: Simplify right side
   88,624.78x = 3,809,649,973.25
5. Step 5: Solve for x
   x = 3,809,649,973.25/88,624.78
6. Step 6: Final answer
   x = 42,986.28