Finding the Fourth Proportional to 1,870.16, 2,800.21 and 1,046.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.16 : 2,800.21 = 1,046.08 : x
2. Step 2: Convert to fraction form
   1,870.16/2,800.21 = 1,046.08/x
3. Step 3: Cross multiply
   1,870.16x = 2,800.21 × 1,046.08
4. Step 4: Simplify right side
   1,870.16x = 2,929,243.68
5. Step 5: Solve for x
   x = 2,929,243.68/1,870.16
6. Step 6: Final answer
   x = 1,566.31