Finding the Fourth Proportional to 83,017.13, 124,610.43 and 60,764.40

Step by Step Solution

1. Step 1: Write the proportion equation
   83,017.13 : 124,610.43 = 60,764.40 : x
2. Step 2: Convert to fraction form
   83,017.13/124,610.43 = 60,764.40/x
3. Step 3: Cross multiply
   83,017.13x = 124,610.43 × 60,764.40
4. Step 4: Simplify right side
   83,017.13x = 7,571,878,012.69
5. Step 5: Solve for x
   x = 7,571,878,012.69/83,017.13
6. Step 6: Final answer
   x = 91,208.63