Finding the Fourth Proportional to 1,918.52, 2,875.52 and 1,097.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918.52 : 2,875.52 = 1,097.36 : x
2. Step 2: Convert to fraction form
   1,918.52/2,875.52 = 1,097.36/x
3. Step 3: Cross multiply
   1,918.52x = 2,875.52 × 1,097.36
4. Step 4: Simplify right side
   1,918.52x = 3,155,490.56
5. Step 5: Solve for x
   x = 3,155,490.56/1,918.52
6. Step 6: Final answer
   x = 1,644.75