Finding the Fourth Proportional to 83,103.48, 124,672.20 and 30,513.36

Step by Step Solution

1. Step 1: Write the proportion equation
   83,103.48 : 124,672.20 = 30,513.36 : x
2. Step 2: Convert to fraction form
   83,103.48/124,672.20 = 30,513.36/x
3. Step 3: Cross multiply
   83,103.48x = 124,672.20 × 30,513.36
4. Step 4: Simplify right side
   83,103.48x = 3,804,167,720.59
5. Step 5: Solve for x
   x = 3,804,167,720.59/83,103.48
6. Step 6: Final answer
   x = 45,776.27