Finding the Fourth Proportional to 37,196.56, 51,331.26 and 20,429.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,196.56 : 51,331.26 = 20,429.56 : x
2. Step 2: Convert to fraction form
   37,196.56/51,331.26 = 20,429.56/x
3. Step 3: Cross multiply
   37,196.56x = 51,331.26 × 20,429.56
4. Step 4: Simplify right side
   37,196.56x = 1,048,675,056.05
5. Step 5: Solve for x
   x = 1,048,675,056.05/37,196.56
6. Step 6: Final answer
   x = 28,192.80