Finding the Fourth Proportional to 123,723.56, 185,585.25 and 71,099.48

Step by Step Solution

1. Step 1: Write the proportion equation
   123,723.56 : 185,585.25 = 71,099.48 : x
2. Step 2: Convert to fraction form
   123,723.56/185,585.25 = 71,099.48/x
3. Step 3: Cross multiply
   123,723.56x = 185,585.25 × 71,099.48
4. Step 4: Simplify right side
   123,723.56x = 13,195,014,770.67
5. Step 5: Solve for x
   x = 13,195,014,770.67/123,723.56
6. Step 6: Final answer
   x = 106,649.17