Finding the Fourth Proportional to 2,345.38, 3,518.92 and 1,097.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.38 : 3,518.92 = 1,097.07 : x
2. Step 2: Convert to fraction form
   2,345.38/3,518.92 = 1,097.07/x
3. Step 3: Cross multiply
   2,345.38x = 3,518.92 × 1,097.07
4. Step 4: Simplify right side
   2,345.38x = 3,860,496.55
5. Step 5: Solve for x
   x = 3,860,496.55/2,345.38
6. Step 6: Final answer
   x = 1,646.00