Finding the Fourth Proportional to 13,113.50, 19,650.60 and 5,713.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113.50 : 19,650.60 = 5,713.94 : x
2. Step 2: Convert to fraction form
   13,113.50/19,650.60 = 5,713.94/x
3. Step 3: Cross multiply
   13,113.50x = 19,650.60 × 5,713.94
4. Step 4: Simplify right side
   13,113.50x = 112,282,398.49
5. Step 5: Solve for x
   x = 112,282,398.49/13,113.50
6. Step 6: Final answer
   x = 8,562.35