Finding the Fourth Proportional to 83,116.33, 124,686.79 and 30,521.71

Step by Step Solution

1. Step 1: Write the proportion equation
   83,116.33 : 124,686.79 = 30,521.71 : x
2. Step 2: Convert to fraction form
   83,116.33/124,686.79 = 30,521.71/x
3. Step 3: Cross multiply
   83,116.33x = 124,686.79 × 30,521.71
4. Step 4: Simplify right side
   83,116.33x = 3,805,654,296.45
5. Step 5: Solve for x
   x = 3,805,654,296.45/83,116.33
6. Step 6: Final answer
   x = 45,787.08