Finding the Fourth Proportional to 1,853.69, 2,558.32 and 1,067.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.69 : 2,558.32 = 1,067.99 : x
2. Step 2: Convert to fraction form
   1,853.69/2,558.32 = 1,067.99/x
3. Step 3: Cross multiply
   1,853.69x = 2,558.32 × 1,067.99
4. Step 4: Simplify right side
   1,853.69x = 2,732,244.72
5. Step 5: Solve for x
   x = 2,732,244.72/1,853.69
6. Step 6: Final answer
   x = 1,473.95