Finding the Fourth Proportional to 1,094.30, 1,510.16 and 646.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.30 : 1,510.16 = 646.46 : x
2. Step 2: Convert to fraction form
   1,094.30/1,510.16 = 646.46/x
3. Step 3: Cross multiply
   1,094.30x = 1,510.16 × 646.46
4. Step 4: Simplify right side
   1,094.30x = 976,247.25
5. Step 5: Solve for x
   x = 976,247.25/1,094.30
6. Step 6: Final answer
   x = 892.12