Finding the Fourth Proportional to 1,462.72, 2,018.64 and 873.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,462.72 : 2,018.64 = 873.40 : x
2. Step 2: Convert to fraction form
   1,462.72/2,018.64 = 873.40/x
3. Step 3: Cross multiply
   1,462.72x = 2,018.64 × 873.40
4. Step 4: Simplify right side
   1,462.72x = 1,763,080.18
5. Step 5: Solve for x
   x = 1,763,080.18/1,462.72
6. Step 6: Final answer
   x = 1,205.34