Finding the Fourth Proportional to 37,691.50, 56,563.17 and 13,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,691.50 : 56,563.17 = 13,067.50 : x
2. Step 2: Convert to fraction form
   37,691.50/56,563.17 = 13,067.50/x
3. Step 3: Cross multiply
   37,691.50x = 56,563.17 × 13,067.50
4. Step 4: Simplify right side
   37,691.50x = 739,139,223.98
5. Step 5: Solve for x
   x = 739,139,223.98/37,691.50
6. Step 6: Final answer
   x = 19,610.24