Finding the Fourth Proportional to 11,937.36, 17,906.12 and 3,618.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,937.36 : 17,906.12 = 3,618.02 : x
2. Step 2: Convert to fraction form
   11,937.36/17,906.12 = 3,618.02/x
3. Step 3: Cross multiply
   11,937.36x = 17,906.12 × 3,618.02
4. Step 4: Simplify right side
   11,937.36x = 64,784,700.28
5. Step 5: Solve for x
   x = 64,784,700.28/11,937.36
6. Step 6: Final answer
   x = 5,427.05