Finding the Fourth Proportional to 99,337.88, 137,086.28 and 54,625.88

Step by Step Solution

1. Step 1: Write the proportion equation
   99,337.88 : 137,086.28 = 54,625.88 : x
2. Step 2: Convert to fraction form
   99,337.88/137,086.28 = 54,625.88/x
3. Step 3: Cross multiply
   99,337.88x = 137,086.28 × 54,625.88
4. Step 4: Simplify right side
   99,337.88x = 7,488,457,722.37
5. Step 5: Solve for x
   x = 7,488,457,722.37/99,337.88
6. Step 6: Final answer
   x = 75,383.71