Finding the Fourth Proportional to 5,665.81, 7,818.89 and 3,427.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665.81 : 7,818.89 = 3,427.93 : x
2. Step 2: Convert to fraction form
   5,665.81/7,818.89 = 3,427.93/x
3. Step 3: Cross multiply
   5,665.81x = 7,818.89 × 3,427.93
4. Step 4: Simplify right side
   5,665.81x = 26,802,590.46
5. Step 5: Solve for x
   x = 26,802,590.46/5,665.81
6. Step 6: Final answer
   x = 4,730.58