Finding the Fourth Proportional to 1,603.83, 2,402.51 and 1,275.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603.83 : 2,402.51 = 1,275.29 : x
2. Step 2: Convert to fraction form
   1,603.83/2,402.51 = 1,275.29/x
3. Step 3: Cross multiply
   1,603.83x = 2,402.51 × 1,275.29
4. Step 4: Simplify right side
   1,603.83x = 3,063,878.59
5. Step 5: Solve for x
   x = 3,063,878.59/1,603.83
6. Step 6: Final answer
   x = 1,910.35