Finding the Fourth Proportional to 59,785.71, 89,688.29 and 20,338.71

Step by Step Solution

1. Step 1: Write the proportion equation
   59,785.71 : 89,688.29 = 20,338.71 : x
2. Step 2: Convert to fraction form
   59,785.71/89,688.29 = 20,338.71/x
3. Step 3: Cross multiply
   59,785.71x = 89,688.29 × 20,338.71
4. Step 4: Simplify right side
   59,785.71x = 1,824,144,019.01
5. Step 5: Solve for x
   x = 1,824,144,019.01/59,785.71
6. Step 6: Final answer
   x = 30,511.37