Finding the Fourth Proportional to 124,429.16, 171,704.84 and 70,706.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,429.16 : 171,704.84 = 70,706.72 : x
2. Step 2: Convert to fraction form
   124,429.16/171,704.84 = 70,706.72/x
3. Step 3: Cross multiply
   124,429.16x = 171,704.84 × 70,706.72
4. Step 4: Simplify right side
   124,429.16x = 12,140,686,120.25
5. Step 5: Solve for x
   x = 12,140,686,120.25/124,429.16
6. Step 6: Final answer
   x = 97,571.07