Finding the Fourth Proportional to 13,158.75, 19,743.35 and 5,764.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,158.75 : 19,743.35 = 5,764.37 : x
2. Step 2: Convert to fraction form
   13,158.75/19,743.35 = 5,764.37/x
3. Step 3: Cross multiply
   13,158.75x = 19,743.35 × 5,764.37
4. Step 4: Simplify right side
   13,158.75x = 113,807,846.90
5. Step 5: Solve for x
   x = 113,807,846.90/13,158.75
6. Step 6: Final answer
   x = 8,648.83