Finding the Fourth Proportional to 1,864.15, 2,569.82 and 1,302.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864.15 : 2,569.82 = 1,302.88 : x
2. Step 2: Convert to fraction form
   1,864.15/2,569.82 = 1,302.88/x
3. Step 3: Cross multiply
   1,864.15x = 2,569.82 × 1,302.88
4. Step 4: Simplify right side
   1,864.15x = 3,348,147.72
5. Step 5: Solve for x
   x = 3,348,147.72/1,864.15
6. Step 6: Final answer
   x = 1,796.07