Finding the Fourth Proportional to 37,212.72, 51,353.34 and 20,216.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,212.72 : 51,353.34 = 20,216.83 : x
2. Step 2: Convert to fraction form
   37,212.72/51,353.34 = 20,216.83/x
3. Step 3: Cross multiply
   37,212.72x = 51,353.34 × 20,216.83
4. Step 4: Simplify right side
   37,212.72x = 1,038,201,744.71
5. Step 5: Solve for x
   x = 1,038,201,744.71/37,212.72
6. Step 6: Final answer
   x = 27,899.11