Finding the Fourth Proportional to 9,513.16, 13,128.28 and 5,264.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.16 : 13,128.28 = 5,264.16 : x
2. Step 2: Convert to fraction form
   9,513.16/13,128.28 = 5,264.16/x
3. Step 3: Cross multiply
   9,513.16x = 13,128.28 × 5,264.16
4. Step 4: Simplify right side
   9,513.16x = 69,109,304.05
5. Step 5: Solve for x
   x = 69,109,304.05/9,513.16
6. Step 6: Final answer
   x = 7,264.60