Finding the Fourth Proportional to 10,490.10, 14,476.70 and 5,710.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,490.10 : 14,476.70 = 5,710.22 : x
2. Step 2: Convert to fraction form
   10,490.10/14,476.70 = 5,710.22/x
3. Step 3: Cross multiply
   10,490.10x = 14,476.70 × 5,710.22
4. Step 4: Simplify right side
   10,490.10x = 82,665,095.23
5. Step 5: Solve for x
   x = 82,665,095.23/10,490.10
6. Step 6: Final answer
   x = 7,880.30