Finding the Fourth Proportional to 124,584.50, 171,931.35 and 70,874.42

Step by Step Solution

1. Step 1: Write the proportion equation
   124,584.50 : 171,931.35 = 70,874.42 : x
2. Step 2: Convert to fraction form
   124,584.50/171,931.35 = 70,874.42/x
3. Step 3: Cross multiply
   124,584.50x = 171,931.35 × 70,874.42
4. Step 4: Simplify right side
   124,584.50x = 12,185,534,711.07
5. Step 5: Solve for x
   x = 12,185,534,711.07/124,584.50
6. Step 6: Final answer
   x = 97,809.40