Finding the Fourth Proportional to 59,711.53, 89,568.51 and 20,268.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59,711.53 : 89,568.51 = 20,268.58 : x
2. Step 2: Convert to fraction form
   59,711.53/89,568.51 = 20,268.58/x
3. Step 3: Cross multiply
   59,711.53x = 89,568.51 × 20,268.58
4. Step 4: Simplify right side
   59,711.53x = 1,815,426,510.42
5. Step 5: Solve for x
   x = 1,815,426,510.42/59,711.53
6. Step 6: Final answer
   x = 30,403.28