Finding the Fourth Proportional to 2,209.32, 3,316.14 and 1,803.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,209.32 : 3,316.14 = 1,803.42 : x
2. Step 2: Convert to fraction form
   2,209.32/3,316.14 = 1,803.42/x
3. Step 3: Cross multiply
   2,209.32x = 3,316.14 × 1,803.42
4. Step 4: Simplify right side
   2,209.32x = 5,980,393.20
5. Step 5: Solve for x
   x = 5,980,393.20/2,209.32
6. Step 6: Final answer
   x = 2,706.89