Finding the Fourth Proportional to 10,430.28, 14,394.24 and 5,714.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,430.28 : 14,394.24 = 5,714.46 : x
2. Step 2: Convert to fraction form
   10,430.28/14,394.24 = 5,714.46/x
3. Step 3: Cross multiply
   10,430.28x = 14,394.24 × 5,714.46
4. Step 4: Simplify right side
   10,430.28x = 82,255,308.71
5. Step 5: Solve for x
   x = 82,255,308.71/10,430.28
6. Step 6: Final answer
   x = 7,886.20