Finding the Fourth Proportional to 10,405.85, 14,359.82 and 5,690.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405.85 : 14,359.82 = 5,690.03 : x
2. Step 2: Convert to fraction form
   10,405.85/14,359.82 = 5,690.03/x
3. Step 3: Cross multiply
   10,405.85x = 14,359.82 × 5,690.03
4. Step 4: Simplify right side
   10,405.85x = 81,707,706.35
5. Step 5: Solve for x
   x = 81,707,706.35/10,405.85
6. Step 6: Final answer
   x = 7,852.10