Finding the Fourth Proportional to 10,486.04, 14,470.72 and 5,705.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,486.04 : 14,470.72 = 5,705.96 : x
2. Step 2: Convert to fraction form
   10,486.04/14,470.72 = 5,705.96/x
3. Step 3: Cross multiply
   10,486.04x = 14,470.72 × 5,705.96
4. Step 4: Simplify right side
   10,486.04x = 82,569,349.49
5. Step 5: Solve for x
   x = 82,569,349.49/10,486.04
6. Step 6: Final answer
   x = 7,874.22