Finding the Fourth Proportional to 37,326.72, 51,510.87 and 20,559.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,326.72 : 51,510.87 = 20,559.72 : x
2. Step 2: Convert to fraction form
   37,326.72/51,510.87 = 20,559.72/x
3. Step 3: Cross multiply
   37,326.72x = 51,510.87 × 20,559.72
4. Step 4: Simplify right side
   37,326.72x = 1,059,049,064.16
5. Step 5: Solve for x
   x = 1,059,049,064.16/37,326.72
6. Step 6: Final answer
   x = 28,372.41