Finding the Fourth Proportional to 124,057.34, 171,126.24 and 78,043.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,057.34 : 171,126.24 = 78,043.82 : x
2. Step 2: Convert to fraction form
   124,057.34/171,126.24 = 78,043.82/x
3. Step 3: Cross multiply
   124,057.34x = 171,126.24 × 78,043.82
4. Step 4: Simplify right side
   124,057.34x = 13,355,345,471.84
5. Step 5: Solve for x
   x = 13,355,345,471.84/124,057.34
6. Step 6: Final answer
   x = 107,654.62