Finding the Fourth Proportional to 83,239.36, 124,800.71 and 30,642.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,239.36 : 124,800.71 = 30,642.02 : x
2. Step 2: Convert to fraction form
   83,239.36/124,800.71 = 30,642.02/x
3. Step 3: Cross multiply
   83,239.36x = 124,800.71 × 30,642.02
4. Step 4: Simplify right side
   83,239.36x = 3,824,145,851.83
5. Step 5: Solve for x
   x = 3,824,145,851.83/83,239.36
6. Step 6: Final answer
   x = 45,941.56