Finding the Fourth Proportional to 2,128.10, 3,192.49 and 741.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.10 : 3,192.49 = 741.06 : x
2. Step 2: Convert to fraction form
   2,128.10/3,192.49 = 741.06/x
3. Step 3: Cross multiply
   2,128.10x = 3,192.49 × 741.06
4. Step 4: Simplify right side
   2,128.10x = 2,365,826.64
5. Step 5: Solve for x
   x = 2,365,826.64/2,128.10
6. Step 6: Final answer
   x = 1,111.71