Finding the Fourth Proportional to 2,097.06, 3,147.12 and 1,691.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.06 : 3,147.12 = 1,691.10 : x
2. Step 2: Convert to fraction form
   2,097.06/3,147.12 = 1,691.10/x
3. Step 3: Cross multiply
   2,097.06x = 3,147.12 × 1,691.10
4. Step 4: Simplify right side
   2,097.06x = 5,322,094.63
5. Step 5: Solve for x
   x = 5,322,094.63/2,097.06
6. Step 6: Final answer
   x = 2,537.88