Finding the Fourth Proportional to 83,111.60, 124,678.17 and 38,122.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,111.60 : 124,678.17 = 38,122.10 : x
2. Step 2: Convert to fraction form
   83,111.60/124,678.17 = 38,122.10/x
3. Step 3: Cross multiply
   83,111.60x = 124,678.17 × 38,122.10
4. Step 4: Simplify right side
   83,111.60x = 4,752,993,664.56
5. Step 5: Solve for x
   x = 4,752,993,664.56/83,111.60
6. Step 6: Final answer
   x = 57,188.09