Finding the Fourth Proportional to 122,555.12, 169,099.82 and 71,544.69

Step by Step Solution

1. Step 1: Write the proportion equation
   122,555.12 : 169,099.82 = 71,544.69 : x
2. Step 2: Convert to fraction form
   122,555.12/169,099.82 = 71,544.69/x
3. Step 3: Cross multiply
   122,555.12x = 169,099.82 × 71,544.69
4. Step 4: Simplify right side
   122,555.12x = 12,098,194,111.52
5. Step 5: Solve for x
   x = 12,098,194,111.52/122,555.12
6. Step 6: Final answer
   x = 98,716.35