Finding the Fourth Proportional to 124,826.56, 172,259.94 and 71,113.84

Step by Step Solution

1. Step 1: Write the proportion equation
   124,826.56 : 172,259.94 = 71,113.84 : x
2. Step 2: Convert to fraction form
   124,826.56/172,259.94 = 71,113.84/x
3. Step 3: Cross multiply
   124,826.56x = 172,259.94 × 71,113.84
4. Step 4: Simplify right side
   124,826.56x = 12,250,065,811.57
5. Step 5: Solve for x
   x = 12,250,065,811.57/124,826.56
6. Step 6: Final answer
   x = 98,136.69