Finding the Fourth Proportional to 5,870.81, 8,803.42 and 3,406.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870.81 : 8,803.42 = 3,406.39 : x
2. Step 2: Convert to fraction form
   5,870.81/8,803.42 = 3,406.39/x
3. Step 3: Cross multiply
   5,870.81x = 8,803.42 × 3,406.39
4. Step 4: Simplify right side
   5,870.81x = 29,987,851.33
5. Step 5: Solve for x
   x = 29,987,851.33/5,870.81
6. Step 6: Final answer
   x = 5,107.96