Finding the Fourth Proportional to 83,111.72, 124,678.36 and 38,122.23

Step by Step Solution

1. Step 1: Write the proportion equation
   83,111.72 : 124,678.36 = 38,122.23 : x
2. Step 2: Convert to fraction form
   83,111.72/124,678.36 = 38,122.23/x
3. Step 3: Cross multiply
   83,111.72x = 124,678.36 × 38,122.23
4. Step 4: Simplify right side
   83,111.72x = 4,753,016,492.55
5. Step 5: Solve for x
   x = 4,753,016,492.55/83,111.72
6. Step 6: Final answer
   x = 57,188.28