Finding the Fourth Proportional to 2,191.11, 3,024.72 and 1,406.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.11 : 3,024.72 = 1,406.22 : x
2. Step 2: Convert to fraction form
   2,191.11/3,024.72 = 1,406.22/x
3. Step 3: Cross multiply
   2,191.11x = 3,024.72 × 1,406.22
4. Step 4: Simplify right side
   2,191.11x = 4,253,421.76
5. Step 5: Solve for x
   x = 4,253,421.76/2,191.11
6. Step 6: Final answer
   x = 1,941.22