Finding the Fourth Proportional to 9,255.82, 12,773.91 and 5,064.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.82 : 12,773.91 = 5,064.70 : x
2. Step 2: Convert to fraction form
   9,255.82/12,773.91 = 5,064.70/x
3. Step 3: Cross multiply
   9,255.82x = 12,773.91 × 5,064.70
4. Step 4: Simplify right side
   9,255.82x = 64,696,021.98
5. Step 5: Solve for x
   x = 64,696,021.98/9,255.82
6. Step 6: Final answer
   x = 6,989.77