Finding the Fourth Proportional to 12,297.86, 18,441.35 and 3,530.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,297.86 : 18,441.35 = 3,530.74 : x
2. Step 2: Convert to fraction form
   12,297.86/18,441.35 = 3,530.74/x
3. Step 3: Cross multiply
   12,297.86x = 18,441.35 × 3,530.74
4. Step 4: Simplify right side
   12,297.86x = 65,111,612.10
5. Step 5: Solve for x
   x = 65,111,612.10/12,297.86
6. Step 6: Final answer
   x = 5,294.55