Finding the Fourth Proportional to 12,361.32, 18,543.72 and 3,596.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361.32 : 18,543.72 = 3,596.88 : x
2. Step 2: Convert to fraction form
   12,361.32/18,543.72 = 3,596.88/x
3. Step 3: Cross multiply
   12,361.32x = 18,543.72 × 3,596.88
4. Step 4: Simplify right side
   12,361.32x = 66,699,535.59
5. Step 5: Solve for x
   x = 66,699,535.59/12,361.32
6. Step 6: Final answer
   x = 5,395.83