Finding the Fourth Proportional to 3,972.15, 5,940.41 and 3,536.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.15 : 5,940.41 = 3,536.01 : x
2. Step 2: Convert to fraction form
   3,972.15/5,940.41 = 3,536.01/x
3. Step 3: Cross multiply
   3,972.15x = 5,940.41 × 3,536.01
4. Step 4: Simplify right side
   3,972.15x = 21,005,331.48
5. Step 5: Solve for x
   x = 21,005,331.48/3,972.15
6. Step 6: Final answer
   x = 5,288.15