Finding the Fourth Proportional to 9,126.74, 12,594.84 and 5,147.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.74 : 12,594.84 = 5,147.89 : x
2. Step 2: Convert to fraction form
   9,126.74/12,594.84 = 5,147.89/x
3. Step 3: Cross multiply
   9,126.74x = 12,594.84 × 5,147.89
4. Step 4: Simplify right side
   9,126.74x = 64,836,850.89
5. Step 5: Solve for x
   x = 64,836,850.89/9,126.74
6. Step 6: Final answer
   x = 7,104.05