Finding the Fourth Proportional to 59,810.29, 89,729.33 and 20,367.74

Step by Step Solution

1. Step 1: Write the proportion equation
   59,810.29 : 89,729.33 = 20,367.74 : x
2. Step 2: Convert to fraction form
   59,810.29/89,729.33 = 20,367.74/x
3. Step 3: Cross multiply
   59,810.29x = 89,729.33 × 20,367.74
4. Step 4: Simplify right side
   59,810.29x = 1,827,583,561.98
5. Step 5: Solve for x
   x = 1,827,583,561.98/59,810.29
6. Step 6: Final answer
   x = 30,556.34