Finding the Fourth Proportional to 98,914.88, 148,469.52 and 72,544.52

Step by Step Solution

1. Step 1: Write the proportion equation
   98,914.88 : 148,469.52 = 72,544.52 : x
2. Step 2: Convert to fraction form
   98,914.88/148,469.52 = 72,544.52/x
3. Step 3: Cross multiply
   98,914.88x = 148,469.52 × 72,544.52
4. Step 4: Simplify right side
   98,914.88x = 10,770,650,063.03
5. Step 5: Solve for x
   x = 10,770,650,063.03/98,914.88
6. Step 6: Final answer
   x = 108,888.07