Finding the Fourth Proportional to 9,513.96, 13,128.70 and 5,264.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.96 : 13,128.70 = 5,264.76 : x
2. Step 2: Convert to fraction form
   9,513.96/13,128.70 = 5,264.76/x
3. Step 3: Cross multiply
   9,513.96x = 13,128.70 × 5,264.76
4. Step 4: Simplify right side
   9,513.96x = 69,119,454.61
5. Step 5: Solve for x
   x = 69,119,454.61/9,513.96
6. Step 6: Final answer
   x = 7,265.06