Finding the Fourth Proportional to 37,116.91, 55,684.46 and 12,158.29

Step by Step Solution

1. Step 1: Write the proportion equation
   37,116.91 : 55,684.46 = 12,158.29 : x
2. Step 2: Convert to fraction form
   37,116.91/55,684.46 = 12,158.29/x
3. Step 3: Cross multiply
   37,116.91x = 55,684.46 × 12,158.29
4. Step 4: Simplify right side
   37,116.91x = 677,027,813.17
5. Step 5: Solve for x
   x = 677,027,813.17/37,116.91
6. Step 6: Final answer
   x = 18,240.41