Finding the Fourth Proportional to 99,322.59, 137,066.67 and 54,000.48

Step by Step Solution

1. Step 1: Write the proportion equation
   99,322.59 : 137,066.67 = 54,000.48 : x
2. Step 2: Convert to fraction form
   99,322.59/137,066.67 = 54,000.48/x
3. Step 3: Cross multiply
   99,322.59x = 137,066.67 × 54,000.48
4. Step 4: Simplify right side
   99,322.59x = 7,401,665,972.00
5. Step 5: Solve for x
   x = 7,401,665,972.00/99,322.59
6. Step 6: Final answer
   x = 74,521.48