Finding the Fourth Proportional to 2,535.54, 3,491.42 and 2,039.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.54 : 3,491.42 = 2,039.01 : x
2. Step 2: Convert to fraction form
   2,535.54/3,491.42 = 2,039.01/x
3. Step 3: Cross multiply
   2,535.54x = 3,491.42 × 2,039.01
4. Step 4: Simplify right side
   2,535.54x = 7,119,030.10
5. Step 5: Solve for x
   x = 7,119,030.10/2,535.54
6. Step 6: Final answer
   x = 2,807.70