Finding the Fourth Proportional to 10,400.17, 14,351.70 and 5,683.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,400.17 : 14,351.70 = 5,683.54 : x
2. Step 2: Convert to fraction form
   10,400.17/14,351.70 = 5,683.54/x
3. Step 3: Cross multiply
   10,400.17x = 14,351.70 × 5,683.54
4. Step 4: Simplify right side
   10,400.17x = 81,568,461.02
5. Step 5: Solve for x
   x = 81,568,461.02/10,400.17
6. Step 6: Final answer
   x = 7,842.99