Finding the Fourth Proportional to 151,684.20, 209,365.83 and 88,042.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,684.20 : 209,365.83 = 88,042.50 : x
2. Step 2: Convert to fraction form
   151,684.20/209,365.83 = 88,042.50/x
3. Step 3: Cross multiply
   151,684.20x = 209,365.83 × 88,042.50
4. Step 4: Simplify right side
   151,684.20x = 18,433,091,087.78
5. Step 5: Solve for x
   x = 18,433,091,087.78/151,684.20
6. Step 6: Final answer
   x = 121,522.82