Finding the Fourth Proportional to 124,410.42, 171,702.86 and 70,712.69

Step by Step Solution

1. Step 1: Write the proportion equation
   124,410.42 : 171,702.86 = 70,712.69 : x
2. Step 2: Convert to fraction form
   124,410.42/171,702.86 = 70,712.69/x
3. Step 3: Cross multiply
   124,410.42x = 171,702.86 × 70,712.69
4. Step 4: Simplify right side
   124,410.42x = 12,141,569,899.22
5. Step 5: Solve for x
   x = 12,141,569,899.22/124,410.42
6. Step 6: Final answer
   x = 97,592.87