Finding the Fourth Proportional to 36,680.52, 55,024.42 and 13,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   36,680.52 : 55,024.42 = 13,308.78 : x
2. Step 2: Convert to fraction form
   36,680.52/55,024.42 = 13,308.78/x
3. Step 3: Cross multiply
   36,680.52x = 55,024.42 × 13,308.78
4. Step 4: Simplify right side
   36,680.52x = 732,307,900.41
5. Step 5: Solve for x
   x = 732,307,900.41/36,680.52
6. Step 6: Final answer
   x = 19,964.49