Finding the Fourth Proportional to 37,434.72, 51,658.56 and 20,667.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,434.72 : 51,658.56 = 20,667.36 : x
2. Step 2: Convert to fraction form
   37,434.72/51,658.56 = 20,667.36/x
3. Step 3: Cross multiply
   37,434.72x = 51,658.56 × 20,667.36
4. Step 4: Simplify right side
   37,434.72x = 1,067,646,056.60
5. Step 5: Solve for x
   x = 1,067,646,056.60/37,434.72
6. Step 6: Final answer
   x = 28,520.21