Finding the Fourth Proportional to 10,406.42, 14,360.58 and 5,690.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.42 : 14,360.58 = 5,690.72 : x
2. Step 2: Convert to fraction form
   10,406.42/14,360.58 = 5,690.72/x
3. Step 3: Cross multiply
   10,406.42x = 14,360.58 × 5,690.72
4. Step 4: Simplify right side
   10,406.42x = 81,722,039.82
5. Step 5: Solve for x
   x = 81,722,039.82/10,406.42
6. Step 6: Final answer
   x = 7,853.04