Finding the Fourth Proportional to 124,262.91, 186,459.98 and 54,147.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,262.91 : 186,459.98 = 54,147.69 : x
2. Step 2: Convert to fraction form
   124,262.91/186,459.98 = 54,147.69/x
3. Step 3: Cross multiply
   124,262.91x = 186,459.98 × 54,147.69
4. Step 4: Simplify right side
   124,262.91x = 10,096,376,923.71
5. Step 5: Solve for x
   x = 10,096,376,923.71/124,262.91
6. Step 6: Final answer
   x = 81,250.12