Finding the Fourth Proportional to 3,727.89, 5,594.42 and 1,390.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,727.89 : 5,594.42 = 1,390.02 : x
2. Step 2: Convert to fraction form
   3,727.89/5,594.42 = 1,390.02/x
3. Step 3: Cross multiply
   3,727.89x = 5,594.42 × 1,390.02
4. Step 4: Simplify right side
   3,727.89x = 7,776,348.74
5. Step 5: Solve for x
   x = 7,776,348.74/3,727.89
6. Step 6: Final answer
   x = 2,085.99