Finding the Fourth Proportional to 2,191.56, 3,288.15 and 1,036.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.56 : 3,288.15 = 1,036.50 : x
2. Step 2: Convert to fraction form
   2,191.56/3,288.15 = 1,036.50/x
3. Step 3: Cross multiply
   2,191.56x = 3,288.15 × 1,036.50
4. Step 4: Simplify right side
   2,191.56x = 3,408,167.48
5. Step 5: Solve for x
   x = 3,408,167.48/2,191.56
6. Step 6: Final answer
   x = 1,555.13