Finding the Fourth Proportional to 10,101.68, 13,939.39 and 7,450.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,101.68 : 13,939.39 = 7,450.55 : x
2. Step 2: Convert to fraction form
   10,101.68/13,939.39 = 7,450.55/x
3. Step 3: Cross multiply
   10,101.68x = 13,939.39 × 7,450.55
4. Step 4: Simplify right side
   10,101.68x = 103,856,122.16
5. Step 5: Solve for x
   x = 103,856,122.16/10,101.68
6. Step 6: Final answer
   x = 10,281.07