Finding the Fourth Proportional to 71,152.72, 98,188.20 and 42,852.88

Step by Step Solution

1. Step 1: Write the proportion equation
   71,152.72 : 98,188.20 = 42,852.88 : x
2. Step 2: Convert to fraction form
   71,152.72/98,188.20 = 42,852.88/x
3. Step 3: Cross multiply
   71,152.72x = 98,188.20 × 42,852.88
4. Step 4: Simplify right side
   71,152.72x = 4,207,647,152.02
5. Step 5: Solve for x
   x = 4,207,647,152.02/71,152.72
6. Step 6: Final answer
   x = 59,135.44