Finding the Fourth Proportional to 10,406.51, 14,360.69 and 5,690.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,406.51 : 14,360.69 = 5,690.49 : x
2. Step 2: Convert to fraction form
   10,406.51/14,360.69 = 5,690.49/x
3. Step 3: Cross multiply
   10,406.51x = 14,360.69 × 5,690.49
4. Step 4: Simplify right side
   10,406.51x = 81,719,334.39
5. Step 5: Solve for x
   x = 81,719,334.39/10,406.51
6. Step 6: Final answer
   x = 7,852.72