Finding the Fourth Proportional to 2,317.21, 3,196.95 and 1,814.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.21 : 3,196.95 = 1,814.88 : x
2. Step 2: Convert to fraction form
   2,317.21/3,196.95 = 1,814.88/x
3. Step 3: Cross multiply
   2,317.21x = 3,196.95 × 1,814.88
4. Step 4: Simplify right side
   2,317.21x = 5,802,080.62
5. Step 5: Solve for x
   x = 5,802,080.62/2,317.21
6. Step 6: Final answer
   x = 2,503.91