Finding the Fourth Proportional to 9,251.42, 12,766.98 and 5,059.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,251.42 : 12,766.98 = 5,059.64 : x
2. Step 2: Convert to fraction form
   9,251.42/12,766.98 = 5,059.64/x
3. Step 3: Cross multiply
   9,251.42x = 12,766.98 × 5,059.64
4. Step 4: Simplify right side
   9,251.42x = 64,596,322.69
5. Step 5: Solve for x
   x = 64,596,322.69/9,251.42
6. Step 6: Final answer
   x = 6,982.31