Finding the Fourth Proportional to 2,808.32, 3,875.94 and 1,816.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808.32 : 3,875.94 = 1,816.52 : x
2. Step 2: Convert to fraction form
   2,808.32/3,875.94 = 1,816.52/x
3. Step 3: Cross multiply
   2,808.32x = 3,875.94 × 1,816.52
4. Step 4: Simplify right side
   2,808.32x = 7,040,722.53
5. Step 5: Solve for x
   x = 7,040,722.53/2,808.32
6. Step 6: Final answer
   x = 2,507.09