Finding the Fourth Proportional to 10,470.78, 14,448.54 and 5,754.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,470.78 : 14,448.54 = 5,754.18 : x
2. Step 2: Convert to fraction form
   10,470.78/14,448.54 = 5,754.18/x
3. Step 3: Cross multiply
   10,470.78x = 14,448.54 × 5,754.18
4. Step 4: Simplify right side
   10,470.78x = 83,139,499.90
5. Step 5: Solve for x
   x = 83,139,499.90/10,470.78
6. Step 6: Final answer
   x = 7,940.14