Finding the Fourth Proportional to 1,146.02, 1,715.72 and 873.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.02 : 1,715.72 = 873.18 : x
2. Step 2: Convert to fraction form
   1,146.02/1,715.72 = 873.18/x
3. Step 3: Cross multiply
   1,146.02x = 1,715.72 × 873.18
4. Step 4: Simplify right side
   1,146.02x = 1,498,128.02
5. Step 5: Solve for x
   x = 1,498,128.02/1,146.02
6. Step 6: Final answer
   x = 1,307.25