Finding the Fourth Proportional to 9,513.48, 13,128.33 and 5,264.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.48 : 13,128.33 = 5,264.71 : x
2. Step 2: Convert to fraction form
   9,513.48/13,128.33 = 5,264.71/x
3. Step 3: Cross multiply
   9,513.48x = 13,128.33 × 5,264.71
4. Step 4: Simplify right side
   9,513.48x = 69,116,881.39
5. Step 5: Solve for x
   x = 69,116,881.39/9,513.48
6. Step 6: Final answer
   x = 7,265.16