Finding the Fourth Proportional to 37,257.31, 55,868.38 and 13,548.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,257.31 : 55,868.38 = 13,548.18 : x
2. Step 2: Convert to fraction form
   37,257.31/55,868.38 = 13,548.18/x
3. Step 3: Cross multiply
   37,257.31x = 55,868.38 × 13,548.18
4. Step 4: Simplify right side
   37,257.31x = 756,914,868.55
5. Step 5: Solve for x
   x = 756,914,868.55/37,257.31
6. Step 6: Final answer
   x = 20,315.88