Finding the Fourth Proportional to 124,578.98, 171,923 and 70,862.62

Step by Step Solution

1. Step 1: Write the proportion equation
   124,578.98 : 171,923 = 70,862.62 : x
2. Step 2: Convert to fraction form
   124,578.98/171,923 = 70,862.62/x
3. Step 3: Cross multiply
   124,578.98x = 171,923 × 70,862.62
4. Step 4: Simplify right side
   124,578.98x = 12,182,914,218.26
5. Step 5: Solve for x
   x = 12,182,914,218.26/124,578.98
6. Step 6: Final answer
   x = 97,792.70