Finding the Fourth Proportional to 10,217.25, 15,236.47 and 10,123.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,217.25 : 15,236.47 = 10,123.83 : x
2. Step 2: Convert to fraction form
   10,217.25/15,236.47 = 10,123.83/x
3. Step 3: Cross multiply
   10,217.25x = 15,236.47 × 10,123.83
4. Step 4: Simplify right side
   10,217.25x = 154,251,387.79
5. Step 5: Solve for x
   x = 154,251,387.79/10,217.25
6. Step 6: Final answer
   x = 15,097.15