Finding the Fourth Proportional to 1,788.10, 2,467.59 and 1,002.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.10 : 2,467.59 = 1,002.16 : x
2. Step 2: Convert to fraction form
   1,788.10/2,467.59 = 1,002.16/x
3. Step 3: Cross multiply
   1,788.10x = 2,467.59 × 1,002.16
4. Step 4: Simplify right side
   1,788.10x = 2,472,902.65
5. Step 5: Solve for x
   x = 2,472,902.65/1,788.10
6. Step 6: Final answer
   x = 1,382.98