Finding the Fourth Proportional to 10,535.31, 15,801.91 and 2,744.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,535.31 : 15,801.91 = 2,744.12 : x
2. Step 2: Convert to fraction form
   10,535.31/15,801.91 = 2,744.12/x
3. Step 3: Cross multiply
   10,535.31x = 15,801.91 × 2,744.12
4. Step 4: Simplify right side
   10,535.31x = 43,362,369.91
5. Step 5: Solve for x
   x = 43,362,369.91/10,535.31
6. Step 6: Final answer
   x = 4,115.91