Finding the Fourth Proportional to 3,643.42, 5,472.42 and 3,555.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.42 : 5,472.42 = 3,555.94 : x
2. Step 2: Convert to fraction form
   3,643.42/5,472.42 = 3,555.94/x
3. Step 3: Cross multiply
   3,643.42x = 5,472.42 × 3,555.94
4. Step 4: Simplify right side
   3,643.42x = 19,459,597.17
5. Step 5: Solve for x
   x = 19,459,597.17/3,643.42
6. Step 6: Final answer
   x = 5,341.02