Finding the Fourth Proportional to 159,131.52, 238,554.72 and 65,577.60

Step by Step Solution

1. Step 1: Write the proportion equation
   159,131.52 : 238,554.72 = 65,577.60 : x
2. Step 2: Convert to fraction form
   159,131.52/238,554.72 = 65,577.60/x
3. Step 3: Cross multiply
   159,131.52x = 238,554.72 × 65,577.60
4. Step 4: Simplify right side
   159,131.52x = 15,643,846,006.27
5. Step 5: Solve for x
   x = 15,643,846,006.27/159,131.52
6. Step 6: Final answer
   x = 98,307.65