Finding the Fourth Proportional to 5,783.09, 7,985.27 and 5,340.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,783.09 : 7,985.27 = 5,340.83 : x
2. Step 2: Convert to fraction form
   5,783.09/7,985.27 = 5,340.83/x
3. Step 3: Cross multiply
   5,783.09x = 7,985.27 × 5,340.83
4. Step 4: Simplify right side
   5,783.09x = 42,647,942.87
5. Step 5: Solve for x
   x = 42,647,942.87/5,783.09
6. Step 6: Final answer
   x = 7,374.59