Finding the Fourth Proportional to 2,191.56, 3,285.72 and 1,037.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.56 : 3,285.72 = 1,037.04 : x
2. Step 2: Convert to fraction form
   2,191.56/3,285.72 = 1,037.04/x
3. Step 3: Cross multiply
   2,191.56x = 3,285.72 × 1,037.04
4. Step 4: Simplify right side
   2,191.56x = 3,407,423.07
5. Step 5: Solve for x
   x = 3,407,423.07/2,191.56
6. Step 6: Final answer
   x = 1,554.79