Finding the Fourth Proportional to 37,155.31, 55,730.23 and 12,194.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,155.31 : 55,730.23 = 12,194.96 : x
2. Step 2: Convert to fraction form
   37,155.31/55,730.23 = 12,194.96/x
3. Step 3: Cross multiply
   37,155.31x = 55,730.23 × 12,194.96
4. Step 4: Simplify right side
   37,155.31x = 679,627,616.50
5. Step 5: Solve for x
   x = 679,627,616.50/37,155.31
6. Step 6: Final answer
   x = 18,291.54