Finding the Fourth Proportional to 124,146.42, 171,340.52 and 73,142.85

Step by Step Solution

1. Step 1: Write the proportion equation
   124,146.42 : 171,340.52 = 73,142.85 : x
2. Step 2: Convert to fraction form
   124,146.42/171,340.52 = 73,142.85/x
3. Step 3: Cross multiply
   124,146.42x = 171,340.52 × 73,142.85
4. Step 4: Simplify right side
   124,146.42x = 12,532,333,266.30
5. Step 5: Solve for x
   x = 12,532,333,266.30/124,146.42
6. Step 6: Final answer
   x = 100,948.00