Finding the Fourth Proportional to 159,499.16, 239,023.05 and 88,453.05

Step by Step Solution

1. Step 1: Write the proportion equation
   159,499.16 : 239,023.05 = 88,453.05 : x
2. Step 2: Convert to fraction form
   159,499.16/239,023.05 = 88,453.05/x
3. Step 3: Cross multiply
   159,499.16x = 239,023.05 × 88,453.05
4. Step 4: Simplify right side
   159,499.16x = 21,142,316,597.69
5. Step 5: Solve for x
   x = 21,142,316,597.69/159,499.16
6. Step 6: Final answer
   x = 132,554.41