Finding the Fourth Proportional to 10,263.69, 14,167.72 and 7,990.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,263.69 : 14,167.72 = 7,990.53 : x
2. Step 2: Convert to fraction form
   10,263.69/14,167.72 = 7,990.53/x
3. Step 3: Cross multiply
   10,263.69x = 14,167.72 × 7,990.53
4. Step 4: Simplify right side
   10,263.69x = 113,207,548.55
5. Step 5: Solve for x
   x = 113,207,548.55/10,263.69
6. Step 6: Final answer
   x = 11,029.91