Finding the Fourth Proportional to 3,962.72, 5,465.72 and 2,635.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,962.72 : 5,465.72 = 2,635.76 : x
2. Step 2: Convert to fraction form
   3,962.72/5,465.72 = 2,635.76/x
3. Step 3: Cross multiply
   3,962.72x = 5,465.72 × 2,635.76
4. Step 4: Simplify right side
   3,962.72x = 14,406,326.15
5. Step 5: Solve for x
   x = 14,406,326.15/3,962.72
6. Step 6: Final answer
   x = 3,635.46