Finding the Fourth Proportional to 2,656.14, 3,985.96 and 2,635.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.14 : 3,985.96 = 2,635.62 : x
2. Step 2: Convert to fraction form
   2,656.14/3,985.96 = 2,635.62/x
3. Step 3: Cross multiply
   2,656.14x = 3,985.96 × 2,635.62
4. Step 4: Simplify right side
   2,656.14x = 10,505,459.30
5. Step 5: Solve for x
   x = 10,505,459.30/2,656.14
6. Step 6: Final answer
   x = 3,955.17