Finding the Fourth Proportional to 83,084.94, 124,623.27 and 30,490.29

Step by Step Solution

1. Step 1: Write the proportion equation
   83,084.94 : 124,623.27 = 30,490.29 : x
2. Step 2: Convert to fraction form
   83,084.94/124,623.27 = 30,490.29/x
3. Step 3: Cross multiply
   83,084.94x = 124,623.27 × 30,490.29
4. Step 4: Simplify right side
   83,084.94x = 3,799,799,643.05
5. Step 5: Solve for x
   x = 3,799,799,643.05/83,084.94
6. Step 6: Final answer
   x = 45,733.92