Finding the Fourth Proportional to 37,152.08, 55,728.68 and 12,194.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,152.08 : 55,728.68 = 12,194.72 : x
2. Step 2: Convert to fraction form
   37,152.08/55,728.68 = 12,194.72/x
3. Step 3: Cross multiply
   37,152.08x = 55,728.68 × 12,194.72
4. Step 4: Simplify right side
   37,152.08x = 679,595,648.57
5. Step 5: Solve for x
   x = 679,595,648.57/37,152.08
6. Step 6: Final answer
   x = 18,292.26