Finding the Fourth Proportional to 37,326.71, 51,510.86 and 20,559.71

Step by Step Solution

1. Step 1: Write the proportion equation
   37,326.71 : 51,510.86 = 20,559.71 : x
2. Step 2: Convert to fraction form
   37,326.71/51,510.86 = 20,559.71/x
3. Step 3: Cross multiply
   37,326.71x = 51,510.86 × 20,559.71
4. Step 4: Simplify right side
   37,326.71x = 1,059,047,983.10
5. Step 5: Solve for x
   x = 1,059,047,983.10/37,326.71
6. Step 6: Final answer
   x = 28,372.39