Finding the Fourth Proportional to 2,374.50, 3,276.72 and 1,379.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.50 : 3,276.72 = 1,379.42 : x
2. Step 2: Convert to fraction form
   2,374.50/3,276.72 = 1,379.42/x
3. Step 3: Cross multiply
   2,374.50x = 3,276.72 × 1,379.42
4. Step 4: Simplify right side
   2,374.50x = 4,519,973.10
5. Step 5: Solve for x
   x = 4,519,973.10/2,374.50
6. Step 6: Final answer
   x = 1,903.55