Finding the Fourth Proportional to 2,531.55, 3,491.94 and 1,692

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.55 : 3,491.94 = 1,692 : x
2. Step 2: Convert to fraction form
   2,531.55/3,491.94 = 1,692/x
3. Step 3: Cross multiply
   2,531.55x = 3,491.94 × 1,692
4. Step 4: Simplify right side
   2,531.55x = 5,908,362.48
5. Step 5: Solve for x
   x = 5,908,362.48/2,531.55
6. Step 6: Final answer
   x = 2,333.89