Finding the Fourth Proportional to 1,870.20, 2,581.10 and 1,373.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.20 : 2,581.10 = 1,373.02 : x
2. Step 2: Convert to fraction form
   1,870.20/2,581.10 = 1,373.02/x
3. Step 3: Cross multiply
   1,870.20x = 2,581.10 × 1,373.02
4. Step 4: Simplify right side
   1,870.20x = 3,543,901.92
5. Step 5: Solve for x
   x = 3,543,901.92/1,870.20
6. Step 6: Final answer
   x = 1,894.93