Finding the Fourth Proportional to 10,945.43, 15,092.68 and 7,402.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.43 : 15,092.68 = 7,402.49 : x
2. Step 2: Convert to fraction form
   10,945.43/15,092.68 = 7,402.49/x
3. Step 3: Cross multiply
   10,945.43x = 15,092.68 × 7,402.49
4. Step 4: Simplify right side
   10,945.43x = 111,723,389.28
5. Step 5: Solve for x
   x = 111,723,389.28/10,945.43
6. Step 6: Final answer
   x = 10,207.31