Finding the Fourth Proportional to 10,101.43, 13,939.05 and 7,450.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,101.43 : 13,939.05 = 7,450.30 : x
2. Step 2: Convert to fraction form
   10,101.43/13,939.05 = 7,450.30/x
3. Step 3: Cross multiply
   10,101.43x = 13,939.05 × 7,450.30
4. Step 4: Simplify right side
   10,101.43x = 103,850,104.22
5. Step 5: Solve for x
   x = 103,850,104.22/10,101.43
6. Step 6: Final answer
   x = 10,280.73