Finding the Fourth Proportional to 159,654.72, 220,318.79 and 88,034.72

Step by Step Solution

1. Step 1: Write the proportion equation
   159,654.72 : 220,318.79 = 88,034.72 : x
2. Step 2: Convert to fraction form
   159,654.72/220,318.79 = 88,034.72/x
3. Step 3: Cross multiply
   159,654.72x = 220,318.79 × 88,034.72
4. Step 4: Simplify right side
   159,654.72x = 19,395,702,988.39
5. Step 5: Solve for x
   x = 19,395,702,988.39/159,654.72
6. Step 6: Final answer
   x = 121,485.31