Finding the Fourth Proportional to 2,071.47, 3,107.67 and 1,097.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071.47 : 3,107.67 = 1,097.37 : x
2. Step 2: Convert to fraction form
   2,071.47/3,107.67 = 1,097.37/x
3. Step 3: Cross multiply
   2,071.47x = 3,107.67 × 1,097.37
4. Step 4: Simplify right side
   2,071.47x = 3,410,263.83
5. Step 5: Solve for x
   x = 3,410,263.83/2,071.47
6. Step 6: Final answer
   x = 1,646.30