Finding the Fourth Proportional to 10,474.06, 14,468.89 and 9,528.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,474.06 : 14,468.89 = 9,528.18 : x
2. Step 2: Convert to fraction form
   10,474.06/14,468.89 = 9,528.18/x
3. Step 3: Cross multiply
   10,474.06x = 14,468.89 × 9,528.18
4. Step 4: Simplify right side
   10,474.06x = 137,862,254.49
5. Step 5: Solve for x
   x = 137,862,254.49/10,474.06
6. Step 6: Final answer
   x = 13,162.25