Finding the Fourth Proportional to 9,513.41, 13,128.39 and 5,264.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.41 : 13,128.39 = 5,264.48 : x
2. Step 2: Convert to fraction form
   9,513.41/13,128.39 = 5,264.48/x
3. Step 3: Cross multiply
   9,513.41x = 13,128.39 × 5,264.48
4. Step 4: Simplify right side
   9,513.41x = 69,114,080.95
5. Step 5: Solve for x
   x = 69,114,080.95/9,513.41
6. Step 6: Final answer
   x = 7,264.92