Finding the Fourth Proportional to 10,266.51, 14,167.78 and 5,790.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.51 : 14,167.78 = 5,790.25 : x
2. Step 2: Convert to fraction form
   10,266.51/14,167.78 = 5,790.25/x
3. Step 3: Cross multiply
   10,266.51x = 14,167.78 × 5,790.25
4. Step 4: Simplify right side
   10,266.51x = 82,035,054.13
5. Step 5: Solve for x
   x = 82,035,054.13/10,266.51
6. Step 6: Final answer
   x = 7,990.55