Finding the Fourth Proportional to 10,166.28, 14,028.78 and 5,690.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,166.28 : 14,028.78 = 5,690.01 : x
2. Step 2: Convert to fraction form
   10,166.28/14,028.78 = 5,690.01/x
3. Step 3: Cross multiply
   10,166.28x = 14,028.78 × 5,690.01
4. Step 4: Simplify right side
   10,166.28x = 79,823,898.49
5. Step 5: Solve for x
   x = 79,823,898.49/10,166.28
6. Step 6: Final answer
   x = 7,851.83