Finding the Fourth Proportional to 9,256.25, 12,773.90 and 5,064.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.25 : 12,773.90 = 5,064.77 : x
2. Step 2: Convert to fraction form
   9,256.25/12,773.90 = 5,064.77/x
3. Step 3: Cross multiply
   9,256.25x = 12,773.90 × 5,064.77
4. Step 4: Simplify right side
   9,256.25x = 64,696,840.18
5. Step 5: Solve for x
   x = 64,696,840.18/9,256.25
6. Step 6: Final answer
   x = 6,989.53