Finding the Fourth Proportional to 1,900.17, 2,854.58 and 1,374.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.17 : 2,854.58 = 1,374.70 : x
2. Step 2: Convert to fraction form
   1,900.17/2,854.58 = 1,374.70/x
3. Step 3: Cross multiply
   1,900.17x = 2,854.58 × 1,374.70
4. Step 4: Simplify right side
   1,900.17x = 3,924,182.27
5. Step 5: Solve for x
   x = 3,924,182.27/1,900.17
6. Step 6: Final answer
   x = 2,065.17