Finding the Fourth Proportional to 2,784.61, 4,174.14 and 1,393.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.61 : 4,174.14 = 1,393.71 : x
2. Step 2: Convert to fraction form
   2,784.61/4,174.14 = 1,393.71/x
3. Step 3: Cross multiply
   2,784.61x = 4,174.14 × 1,393.71
4. Step 4: Simplify right side
   2,784.61x = 5,817,540.66
5. Step 5: Solve for x
   x = 5,817,540.66/2,784.61
6. Step 6: Final answer
   x = 2,089.18