Finding the Fourth Proportional to 1,788.53, 2,468.15 and 1,002.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.53 : 2,468.15 = 1,002.57 : x
2. Step 2: Convert to fraction form
   1,788.53/2,468.15 = 1,002.57/x
3. Step 3: Cross multiply
   1,788.53x = 2,468.15 × 1,002.57
4. Step 4: Simplify right side
   1,788.53x = 2,474,495.65
5. Step 5: Solve for x
   x = 2,474,495.65/1,788.53
6. Step 6: Final answer
   x = 1,383.54