Finding the Fourth Proportional to 9,265.70, 12,773.49 and 5,726.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,265.70 : 12,773.49 = 5,726.90 : x
2. Step 2: Convert to fraction form
   9,265.70/12,773.49 = 5,726.90/x
3. Step 3: Cross multiply
   9,265.70x = 12,773.49 × 5,726.90
4. Step 4: Simplify right side
   9,265.70x = 73,152,499.88
5. Step 5: Solve for x
   x = 73,152,499.88/9,265.70
6. Step 6: Final answer
   x = 7,894.98