Finding the Fourth Proportional to 83,155.31, 124,782.17 and 30,601.70

Step by Step Solution

1. Step 1: Write the proportion equation
   83,155.31 : 124,782.17 = 30,601.70 : x
2. Step 2: Convert to fraction form
   83,155.31/124,782.17 = 30,601.70/x
3. Step 3: Cross multiply
   83,155.31x = 124,782.17 × 30,601.70
4. Step 4: Simplify right side
   83,155.31x = 3,818,546,219.73
5. Step 5: Solve for x
   x = 3,818,546,219.73/83,155.31
6. Step 6: Final answer
   x = 45,920.66