Finding the Fourth Proportional to 2,374.71, 3,275.74 and 1,379.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.71 : 3,275.74 = 1,379.86 : x
2. Step 2: Convert to fraction form
   2,374.71/3,275.74 = 1,379.86/x
3. Step 3: Cross multiply
   2,374.71x = 3,275.74 × 1,379.86
4. Step 4: Simplify right side
   2,374.71x = 4,520,062.60
5. Step 5: Solve for x
   x = 4,520,062.60/2,374.71
6. Step 6: Final answer
   x = 1,903.42