Finding the Fourth Proportional to 9,126.48, 12,594.38 and 5,147.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.48 : 12,594.38 = 5,147.60 : x
2. Step 2: Convert to fraction form
   9,126.48/12,594.38 = 5,147.60/x
3. Step 3: Cross multiply
   9,126.48x = 12,594.38 × 5,147.60
4. Step 4: Simplify right side
   9,126.48x = 64,830,741.78
5. Step 5: Solve for x
   x = 64,830,741.78/9,126.48
6. Step 6: Final answer
   x = 7,103.59