Finding the Fourth Proportional to 1,870.54, 2,806.01 and 896.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.54 : 2,806.01 = 896.92 : x
2. Step 2: Convert to fraction form
   1,870.54/2,806.01 = 896.92/x
3. Step 3: Cross multiply
   1,870.54x = 2,806.01 × 896.92
4. Step 4: Simplify right side
   1,870.54x = 2,516,766.49
5. Step 5: Solve for x
   x = 2,516,766.49/1,870.54
6. Step 6: Final answer
   x = 1,345.48