Finding the Fourth Proportional to 9,256.22, 12,773.90 and 5,064.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.22 : 12,773.90 = 5,064.47 : x
2. Step 2: Convert to fraction form
   9,256.22/12,773.90 = 5,064.47/x
3. Step 3: Cross multiply
   9,256.22x = 12,773.90 × 5,064.47
4. Step 4: Simplify right side
   9,256.22x = 64,693,030.03
5. Step 5: Solve for x
   x = 64,693,030.03/9,256.22
6. Step 6: Final answer
   x = 6,989.14