Finding the Fourth Proportional to 151,893.82, 209,562.15 and 88,208.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,893.82 : 209,562.15 = 88,208.38 : x
2. Step 2: Convert to fraction form
   151,893.82/209,562.15 = 88,208.38/x
3. Step 3: Cross multiply
   151,893.82x = 209,562.15 × 88,208.38
4. Step 4: Simplify right side
   151,893.82x = 18,485,137,760.82
5. Step 5: Solve for x
   x = 18,485,137,760.82/151,893.82
6. Step 6: Final answer
   x = 121,697.76