Finding the Fourth Proportional to 72,300.88, 99,755.60 and 43,986.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,300.88 : 99,755.60 = 43,986.52 : x
2. Step 2: Convert to fraction form
   72,300.88/99,755.60 = 43,986.52/x
3. Step 3: Cross multiply
   72,300.88x = 99,755.60 × 43,986.52
4. Step 4: Simplify right side
   72,300.88x = 4,387,901,555.09
5. Step 5: Solve for x
   x = 4,387,901,555.09/72,300.88
6. Step 6: Final answer
   x = 60,689.46