Finding the Fourth Proportional to 1,870.02, 2,806.20 and 1,048.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.02 : 2,806.20 = 1,048.82 : x
2. Step 2: Convert to fraction form
   1,870.02/2,806.20 = 1,048.82/x
3. Step 3: Cross multiply
   1,870.02x = 2,806.20 × 1,048.82
4. Step 4: Simplify right side
   1,870.02x = 2,943,184.65
5. Step 5: Solve for x
   x = 2,943,184.65/1,870.02
6. Step 6: Final answer
   x = 1,573.88