Finding the Fourth Proportional to 1,789.16, 2,468.94 and 1,003.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.16 : 2,468.94 = 1,003.20 : x
2. Step 2: Convert to fraction form
   1,789.16/2,468.94 = 1,003.20/x
3. Step 3: Cross multiply
   1,789.16x = 2,468.94 × 1,003.20
4. Step 4: Simplify right side
   1,789.16x = 2,476,840.61
5. Step 5: Solve for x
   x = 2,476,840.61/1,789.16
6. Step 6: Final answer
   x = 1,384.36