Finding the Fourth Proportional to 83,531.98, 115,426.65 and 60,831.46

Step by Step Solution

1. Step 1: Write the proportion equation
   83,531.98 : 115,426.65 = 60,831.46 : x
2. Step 2: Convert to fraction form
   83,531.98/115,426.65 = 60,831.46/x
3. Step 3: Cross multiply
   83,531.98x = 115,426.65 × 60,831.46
4. Step 4: Simplify right side
   83,531.98x = 7,021,571,642.41
5. Step 5: Solve for x
   x = 7,021,571,642.41/83,531.98
6. Step 6: Final answer
   x = 84,058.48