Finding the Fourth Proportional to 83,521.14, 125,264.71 and 30,918.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,521.14 : 125,264.71 = 30,918.12 : x
2. Step 2: Convert to fraction form
   83,521.14/125,264.71 = 30,918.12/x
3. Step 3: Cross multiply
   83,521.14x = 125,264.71 × 30,918.12
4. Step 4: Simplify right side
   83,521.14x = 3,872,949,335.55
5. Step 5: Solve for x
   x = 3,872,949,335.55/83,521.14
6. Step 6: Final answer
   x = 46,370.89