Finding the Fourth Proportional to 89,937.50, 123,998.37 and 73,745.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,937.50 : 123,998.37 = 73,745.15 : x
2. Step 2: Convert to fraction form
   89,937.50/123,998.37 = 73,745.15/x
3. Step 3: Cross multiply
   89,937.50x = 123,998.37 × 73,745.15
4. Step 4: Simplify right side
   89,937.50x = 9,144,278,395.41
5. Step 5: Solve for x
   x = 9,144,278,395.41/89,937.50
6. Step 6: Final answer
   x = 101,673.70