Finding the Fourth Proportional to 152,042.81, 209,852.39 and 88,417.31

Step by Step Solution

1. Step 1: Write the proportion equation
   152,042.81 : 209,852.39 = 88,417.31 : x
2. Step 2: Convert to fraction form
   152,042.81/209,852.39 = 88,417.31/x
3. Step 3: Cross multiply
   152,042.81x = 209,852.39 × 88,417.31
4. Step 4: Simplify right side
   152,042.81x = 18,554,583,820.87
5. Step 5: Solve for x
   x = 18,554,583,820.87/152,042.81
6. Step 6: Final answer
   x = 122,035.26