Finding the Fourth Proportional to 11,956.88, 17,935.98 and 3,637.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,956.88 : 17,935.98 = 3,637.20 : x
2. Step 2: Convert to fraction form
   11,956.88/17,935.98 = 3,637.20/x
3. Step 3: Cross multiply
   11,956.88x = 17,935.98 × 3,637.20
4. Step 4: Simplify right side
   11,956.88x = 65,236,746.46
5. Step 5: Solve for x
   x = 65,236,746.46/11,956.88
6. Step 6: Final answer
   x = 5,456.00