Finding the Fourth Proportional to 37,170.24, 55,758.56 and 12,202.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,170.24 : 55,758.56 = 12,202.72 : x
2. Step 2: Convert to fraction form
   37,170.24/55,758.56 = 12,202.72/x
3. Step 3: Cross multiply
   37,170.24x = 55,758.56 × 12,202.72
4. Step 4: Simplify right side
   37,170.24x = 680,406,095.28
5. Step 5: Solve for x
   x = 680,406,095.28/37,170.24
6. Step 6: Final answer
   x = 18,305.13