Finding the Fourth Proportional to 7,510.47, 10,353.45 and 5,265.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,510.47 : 10,353.45 = 5,265.57 : x
2. Step 2: Convert to fraction form
   7,510.47/10,353.45 = 5,265.57/x
3. Step 3: Cross multiply
   7,510.47x = 10,353.45 × 5,265.57
4. Step 4: Simplify right side
   7,510.47x = 54,516,815.72
5. Step 5: Solve for x
   x = 54,516,815.72/7,510.47
6. Step 6: Final answer
   x = 7,258.78