Finding the Fourth Proportional to 83,118.21, 124,689.62 and 30,523.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,118.21 : 124,689.62 = 30,523.59 : x
2. Step 2: Convert to fraction form
   83,118.21/124,689.62 = 30,523.59/x
3. Step 3: Cross multiply
   83,118.21x = 124,689.62 × 30,523.59
4. Step 4: Simplify right side
   83,118.21x = 3,805,974,685.52
5. Step 5: Solve for x
   x = 3,805,974,685.52/83,118.21
6. Step 6: Final answer
   x = 45,789.90