Finding the Fourth Proportional to 2,191.56, 3,023.64 and 1,491.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.56 : 3,023.64 = 1,491.72 : x
2. Step 2: Convert to fraction form
   2,191.56/3,023.64 = 1,491.72/x
3. Step 3: Cross multiply
   2,191.56x = 3,023.64 × 1,491.72
4. Step 4: Simplify right side
   2,191.56x = 4,510,424.26
5. Step 5: Solve for x
   x = 4,510,424.26/2,191.56
6. Step 6: Final answer
   x = 2,058.09