Finding the Fourth Proportional to 152,046.32, 209,857.22 and 88,420.82

Step by Step Solution

1. Step 1: Write the proportion equation
   152,046.32 : 209,857.22 = 88,420.82 : x
2. Step 2: Convert to fraction form
   152,046.32/209,857.22 = 88,420.82/x
3. Step 3: Cross multiply
   152,046.32x = 209,857.22 × 88,420.82
4. Step 4: Simplify right side
   152,046.32x = 18,555,747,475.32
5. Step 5: Solve for x
   x = 18,555,747,475.32/152,046.32
6. Step 6: Final answer
   x = 122,040.10