Finding the Fourth Proportional to 2,191.56, 3,025.98 and 1,406.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.56 : 3,025.98 = 1,406.04 : x
2. Step 2: Convert to fraction form
   2,191.56/3,025.98 = 1,406.04/x
3. Step 3: Cross multiply
   2,191.56x = 3,025.98 × 1,406.04
4. Step 4: Simplify right side
   2,191.56x = 4,254,648.92
5. Step 5: Solve for x
   x = 4,254,648.92/2,191.56
6. Step 6: Final answer
   x = 1,941.38