Finding the Fourth Proportional to 83,415.29, 125,139.27 and 30,825.23

Step by Step Solution

1. Step 1: Write the proportion equation
   83,415.29 : 125,139.27 = 30,825.23 : x
2. Step 2: Convert to fraction form
   83,415.29/125,139.27 = 30,825.23/x
3. Step 3: Cross multiply
   83,415.29x = 125,139.27 × 30,825.23
4. Step 4: Simplify right side
   83,415.29x = 3,857,446,779.78
5. Step 5: Solve for x
   x = 3,857,446,779.78/83,415.29
6. Step 6: Final answer
   x = 46,243.88