Finding the Fourth Proportional to 2,528.82, 3,489.82 and 1,409.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.82 : 3,489.82 = 1,409.86 : x
2. Step 2: Convert to fraction form
   2,528.82/3,489.82 = 1,409.86/x
3. Step 3: Cross multiply
   2,528.82x = 3,489.82 × 1,409.86
4. Step 4: Simplify right side
   2,528.82x = 4,920,157.63
5. Step 5: Solve for x
   x = 4,920,157.63/2,528.82
6. Step 6: Final answer
   x = 1,945.63