Finding the Fourth Proportional to 9,256.30, 12,773.59 and 5,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.30 : 12,773.59 = 5,064.50 : x
2. Step 2: Convert to fraction form
   9,256.30/12,773.59 = 5,064.50/x
3. Step 3: Cross multiply
   9,256.30x = 12,773.59 × 5,064.50
4. Step 4: Simplify right side
   9,256.30x = 64,691,846.56
5. Step 5: Solve for x
   x = 64,691,846.56/9,256.30
6. Step 6: Final answer
   x = 6,988.95