Finding the Fourth Proportional to 1,788.51, 2,468.16 and 1,002.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.51 : 2,468.16 = 1,002.56 : x
2. Step 2: Convert to fraction form
   1,788.51/2,468.16 = 1,002.56/x
3. Step 3: Cross multiply
   1,788.51x = 2,468.16 × 1,002.56
4. Step 4: Simplify right side
   1,788.51x = 2,474,478.49
5. Step 5: Solve for x
   x = 2,474,478.49/1,788.51
6. Step 6: Final answer
   x = 1,383.54