Finding the Fourth Proportional to 3,531.09, 5,300.46 and 2,656.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531.09 : 5,300.46 = 2,656.10 : x
2. Step 2: Convert to fraction form
   3,531.09/5,300.46 = 2,656.10/x
3. Step 3: Cross multiply
   3,531.09x = 5,300.46 × 2,656.10
4. Step 4: Simplify right side
   3,531.09x = 14,078,525.30
5. Step 5: Solve for x
   x = 14,078,525.30/3,531.09
6. Step 6: Final answer
   x = 3,987.02