Finding the Fourth Proportional to 9,956.72, 14,935.59 and 2,561.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.72 : 14,935.59 = 2,561.22 : x
2. Step 2: Convert to fraction form
   9,956.72/14,935.59 = 2,561.22/x
3. Step 3: Cross multiply
   9,956.72x = 14,935.59 × 2,561.22
4. Step 4: Simplify right side
   9,956.72x = 38,253,331.82
5. Step 5: Solve for x
   x = 38,253,331.82/9,956.72
6. Step 6: Final answer
   x = 3,841.96