Finding the Fourth Proportional to 13,140.83, 19,694.54 and 5,743.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,140.83 : 19,694.54 = 5,743.31 : x
2. Step 2: Convert to fraction form
   13,140.83/19,694.54 = 5,743.31/x
3. Step 3: Cross multiply
   13,140.83x = 19,694.54 × 5,743.31
4. Step 4: Simplify right side
   13,140.83x = 113,111,764.41
5. Step 5: Solve for x
   x = 113,111,764.41/13,140.83
6. Step 6: Final answer
   x = 8,607.66