Finding the Fourth Proportional to 98,882.72, 148,258.52 and 54,530.72

Step by Step Solution

1. Step 1: Write the proportion equation
   98,882.72 : 148,258.52 = 54,530.72 : x
2. Step 2: Convert to fraction form
   98,882.72/148,258.52 = 54,530.72/x
3. Step 3: Cross multiply
   98,882.72x = 148,258.52 × 54,530.72
4. Step 4: Simplify right side
   98,882.72x = 8,084,643,841.73
5. Step 5: Solve for x
   x = 8,084,643,841.73/98,882.72
6. Step 6: Final answer
   x = 81,759.93