Finding the Fourth Proportional to 99,502.35, 137,315.70 and 54,182.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,502.35 : 137,315.70 = 54,182.82 : x
2. Step 2: Convert to fraction form
   99,502.35/137,315.70 = 54,182.82/x
3. Step 3: Cross multiply
   99,502.35x = 137,315.70 × 54,182.82
4. Step 4: Simplify right side
   99,502.35x = 7,440,151,856.27
5. Step 5: Solve for x
   x = 7,440,151,856.27/99,502.35
6. Step 6: Final answer
   x = 74,773.63