Finding the Fourth Proportional to 220,142.17, 303,796.38 and 124,649.02

Step by Step Solution

1. Step 1: Write the proportion equation
   220,142.17 : 303,796.38 = 124,649.02 : x
2. Step 2: Convert to fraction form
   220,142.17/303,796.38 = 124,649.02/x
3. Step 3: Cross multiply
   220,142.17x = 303,796.38 × 124,649.02
4. Step 4: Simplify right side
   220,142.17x = 37,867,921,046.55
5. Step 5: Solve for x
   x = 37,867,921,046.55/220,142.17
6. Step 6: Final answer
   x = 172,015.75