Finding the Fourth Proportional to 37,039.09, 55,545.49 and 13,340.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,039.09 : 55,545.49 = 13,340.28 : x
2. Step 2: Convert to fraction form
   37,039.09/55,545.49 = 13,340.28/x
3. Step 3: Cross multiply
   37,039.09x = 55,545.49 × 13,340.28
4. Step 4: Simplify right side
   37,039.09x = 740,992,389.34
5. Step 5: Solve for x
   x = 740,992,389.34/37,039.09
6. Step 6: Final answer
   x = 20,005.69