Finding the Fourth Proportional to 10,510.37, 15,752.22 and 10,399.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,510.37 : 15,752.22 = 10,399.14 : x
2. Step 2: Convert to fraction form
   10,510.37/15,752.22 = 10,399.14/x
3. Step 3: Cross multiply
   10,510.37x = 15,752.22 × 10,399.14
4. Step 4: Simplify right side
   10,510.37x = 163,809,521.02
5. Step 5: Solve for x
   x = 163,809,521.02/10,510.37
6. Step 6: Final answer
   x = 15,585.52