Finding the Fourth Proportional to 2,298.21, 3,170.98 and 1,354.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.21 : 3,170.98 = 1,354.05 : x
2. Step 2: Convert to fraction form
   2,298.21/3,170.98 = 1,354.05/x
3. Step 3: Cross multiply
   2,298.21x = 3,170.98 × 1,354.05
4. Step 4: Simplify right side
   2,298.21x = 4,293,667.16
5. Step 5: Solve for x
   x = 4,293,667.16/2,298.21
6. Step 6: Final answer
   x = 1,868.27