Finding the Fourth Proportional to 9,510.18, 13,124.07 and 5,261.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,510.18 : 13,124.07 = 5,261.55 : x
2. Step 2: Convert to fraction form
   9,510.18/13,124.07 = 5,261.55/x
3. Step 3: Cross multiply
   9,510.18x = 13,124.07 × 5,261.55
4. Step 4: Simplify right side
   9,510.18x = 69,052,950.51
5. Step 5: Solve for x
   x = 69,052,950.51/9,510.18
6. Step 6: Final answer
   x = 7,260.95