Finding the Fourth Proportional to 3,145.98, 4,714.50 and 2,317.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.98 : 4,714.50 = 2,317.74 : x
2. Step 2: Convert to fraction form
   3,145.98/4,714.50 = 2,317.74/x
3. Step 3: Cross multiply
   3,145.98x = 4,714.50 × 2,317.74
4. Step 4: Simplify right side
   3,145.98x = 10,926,985.23
5. Step 5: Solve for x
   x = 10,926,985.23/3,145.98
6. Step 6: Final answer
   x = 3,473.32