Finding the Fourth Proportional to 99,276.24, 137,003.10 and 53,954.52

Step by Step Solution

1. Step 1: Write the proportion equation
   99,276.24 : 137,003.10 = 53,954.52 : x
2. Step 2: Convert to fraction form
   99,276.24/137,003.10 = 53,954.52/x
3. Step 3: Cross multiply
   99,276.24x = 137,003.10 × 53,954.52
4. Step 4: Simplify right side
   99,276.24x = 7,391,936,499.01
5. Step 5: Solve for x
   x = 7,391,936,499.01/99,276.24
6. Step 6: Final answer
   x = 74,458.26