Finding the Fourth Proportional to 99,456.75, 137,250.33 and 54,744.75

Step by Step Solution

1. Step 1: Write the proportion equation
   99,456.75 : 137,250.33 = 54,744.75 : x
2. Step 2: Convert to fraction form
   99,456.75/137,250.33 = 54,744.75/x
3. Step 3: Cross multiply
   99,456.75x = 137,250.33 × 54,744.75
4. Step 4: Simplify right side
   99,456.75x = 7,513,735,003.27
5. Step 5: Solve for x
   x = 7,513,735,003.27/99,456.75
6. Step 6: Final answer
   x = 75,547.76