Finding the Fourth Proportional to 37,150.92, 55,720.71 and 12,193.47

Step by Step Solution

1. Step 1: Write the proportion equation
   37,150.92 : 55,720.71 = 12,193.47 : x
2. Step 2: Convert to fraction form
   37,150.92/55,720.71 = 12,193.47/x
3. Step 3: Cross multiply
   37,150.92x = 55,720.71 × 12,193.47
4. Step 4: Simplify right side
   37,150.92x = 679,428,805.76
5. Step 5: Solve for x
   x = 679,428,805.76/37,150.92
6. Step 6: Final answer
   x = 18,288.34