Finding the Fourth Proportional to 34,689.27, 52,012.83 and 13,604.05

Step by Step Solution

1. Step 1: Write the proportion equation
   34,689.27 : 52,012.83 = 13,604.05 : x
2. Step 2: Convert to fraction form
   34,689.27/52,012.83 = 13,604.05/x
3. Step 3: Cross multiply
   34,689.27x = 52,012.83 × 13,604.05
4. Step 4: Simplify right side
   34,689.27x = 707,585,139.96
5. Step 5: Solve for x
   x = 707,585,139.96/34,689.27
6. Step 6: Final answer
   x = 20,397.81