Finding the Fourth Proportional to 1,345.18, 1,855.43 and 1,096.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345.18 : 1,855.43 = 1,096.51 : x
2. Step 2: Convert to fraction form
   1,345.18/1,855.43 = 1,096.51/x
3. Step 3: Cross multiply
   1,345.18x = 1,855.43 × 1,096.51
4. Step 4: Simplify right side
   1,345.18x = 2,034,497.55
5. Step 5: Solve for x
   x = 2,034,497.55/1,345.18
6. Step 6: Final answer
   x = 1,512.44