Finding the Fourth Proportional to 83,500.26, 124,791.92 and 61,058.20

Step by Step Solution

1. Step 1: Write the proportion equation
   83,500.26 : 124,791.92 = 61,058.20 : x
2. Step 2: Convert to fraction form
   83,500.26/124,791.92 = 61,058.20/x
3. Step 3: Cross multiply
   83,500.26x = 124,791.92 × 61,058.20
4. Step 4: Simplify right side
   83,500.26x = 7,619,570,009.74
5. Step 5: Solve for x
   x = 7,619,570,009.74/83,500.26
6. Step 6: Final answer
   x = 91,252.05