Finding the Fourth Proportional to 1,094.02, 1,638.57 and 630.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.02 : 1,638.57 = 630.70 : x
2. Step 2: Convert to fraction form
   1,094.02/1,638.57 = 630.70/x
3. Step 3: Cross multiply
   1,094.02x = 1,638.57 × 630.70
4. Step 4: Simplify right side
   1,094.02x = 1,033,446.10
5. Step 5: Solve for x
   x = 1,033,446.10/1,094.02
6. Step 6: Final answer
   x = 944.63