Finding the Fourth Proportional to 99,323.75, 137,069.46 and 54,004.77

Step by Step Solution

1. Step 1: Write the proportion equation
   99,323.75 : 137,069.46 = 54,004.77 : x
2. Step 2: Convert to fraction form
   99,323.75/137,069.46 = 54,004.77/x
3. Step 3: Cross multiply
   99,323.75x = 137,069.46 × 54,004.77
4. Step 4: Simplify right side
   99,323.75x = 7,402,404,391.30
5. Step 5: Solve for x
   x = 7,402,404,391.30/99,323.75
6. Step 6: Final answer
   x = 74,528.04