Finding the Fourth Proportional to 9,513.48, 13,128.49 and 5,264.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.48 : 13,128.49 = 5,264.22 : x
2. Step 2: Convert to fraction form
   9,513.48/13,128.49 = 5,264.22/x
3. Step 3: Cross multiply
   9,513.48x = 13,128.49 × 5,264.22
4. Step 4: Simplify right side
   9,513.48x = 69,111,259.63
5. Step 5: Solve for x
   x = 69,111,259.63/9,513.48
6. Step 6: Final answer
   x = 7,264.56