Finding the Fourth Proportional to 36,949.32, 55,435.82 and 13,240.88

Step by Step Solution

1. Step 1: Write the proportion equation
   36,949.32 : 55,435.82 = 13,240.88 : x
2. Step 2: Convert to fraction form
   36,949.32/55,435.82 = 13,240.88/x
3. Step 3: Cross multiply
   36,949.32x = 55,435.82 × 13,240.88
4. Step 4: Simplify right side
   36,949.32x = 734,019,040.32
5. Step 5: Solve for x
   x = 734,019,040.32/36,949.32
6. Step 6: Final answer
   x = 19,865.56