Finding the Fourth Proportional to 10,399.98, 15,600.52 and 3,475.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,399.98 : 15,600.52 = 3,475.02 : x
2. Step 2: Convert to fraction form
   10,399.98/15,600.52 = 3,475.02/x
3. Step 3: Cross multiply
   10,399.98x = 15,600.52 × 3,475.02
4. Step 4: Simplify right side
   10,399.98x = 54,212,119.01
5. Step 5: Solve for x
   x = 54,212,119.01/10,399.98
6. Step 6: Final answer
   x = 5,212.71