Finding the Fourth Proportional to 124,575.98, 171,918.86 and 70,859.61

Step by Step Solution

1. Step 1: Write the proportion equation
   124,575.98 : 171,918.86 = 70,859.61 : x
2. Step 2: Convert to fraction form
   124,575.98/171,918.86 = 70,859.61/x
3. Step 3: Cross multiply
   124,575.98x = 171,918.86 × 70,859.61
4. Step 4: Simplify right side
   124,575.98x = 12,182,103,016.95
5. Step 5: Solve for x
   x = 12,182,103,016.95/124,575.98
6. Step 6: Final answer
   x = 97,788.54