Finding the Fourth Proportional to 2,104.74, 3,152.70 and 1,691.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.74 : 3,152.70 = 1,691.64 : x
2. Step 2: Convert to fraction form
   2,104.74/3,152.70 = 1,691.64/x
3. Step 3: Cross multiply
   2,104.74x = 3,152.70 × 1,691.64
4. Step 4: Simplify right side
   2,104.74x = 5,333,233.43
5. Step 5: Solve for x
   x = 5,333,233.43/2,104.74
6. Step 6: Final answer
   x = 2,533.92