Finding the Fourth Proportional to 124,015.86, 171,142.66 and 73,030.82

Step by Step Solution

1. Step 1: Write the proportion equation
   124,015.86 : 171,142.66 = 73,030.82 : x
2. Step 2: Convert to fraction form
   124,015.86/171,142.66 = 73,030.82/x
3. Step 3: Cross multiply
   124,015.86x = 171,142.66 × 73,030.82
4. Step 4: Simplify right side
   124,015.86x = 12,498,688,796.78
5. Step 5: Solve for x
   x = 12,498,688,796.78/124,015.86
6. Step 6: Final answer
   x = 100,782.99