Finding the Fourth Proportional to 1,859.04, 2,565.86 and 1,072.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859.04 : 2,565.86 = 1,072.98 : x
2. Step 2: Convert to fraction form
   1,859.04/2,565.86 = 1,072.98/x
3. Step 3: Cross multiply
   1,859.04x = 2,565.86 × 1,072.98
4. Step 4: Simplify right side
   1,859.04x = 2,753,111.10
5. Step 5: Solve for x
   x = 2,753,111.10/1,859.04
6. Step 6: Final answer
   x = 1,480.93