Finding the Fourth Proportional to 5,789.81, 7,991.78 and 3,693.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,789.81 : 7,991.78 = 3,693.94 : x
2. Step 2: Convert to fraction form
   5,789.81/7,991.78 = 3,693.94/x
3. Step 3: Cross multiply
   5,789.81x = 7,991.78 × 3,693.94
4. Step 4: Simplify right side
   5,789.81x = 29,521,117.36
5. Step 5: Solve for x
   x = 29,521,117.36/5,789.81
6. Step 6: Final answer
   x = 5,098.80