Finding the Fourth Proportional to 2,061.32, 2,835.61 and 1,808.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.32 : 2,835.61 = 1,808.06 : x
2. Step 2: Convert to fraction form
   2,061.32/2,835.61 = 1,808.06/x
3. Step 3: Cross multiply
   2,061.32x = 2,835.61 × 1,808.06
4. Step 4: Simplify right side
   2,061.32x = 5,126,934.32
5. Step 5: Solve for x
   x = 5,126,934.32/2,061.32
6. Step 6: Final answer
   x = 2,487.22