Finding the Fourth Proportional to 12,293.98, 18,438.23 and 3,529.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,293.98 : 18,438.23 = 3,529.58 : x
2. Step 2: Convert to fraction form
   12,293.98/18,438.23 = 3,529.58/x
3. Step 3: Cross multiply
   12,293.98x = 18,438.23 × 3,529.58
4. Step 4: Simplify right side
   12,293.98x = 65,079,124.48
5. Step 5: Solve for x
   x = 65,079,124.48/12,293.98
6. Step 6: Final answer
   x = 5,293.58