Finding the Fourth Proportional to 1,094.27, 1,510.05 and 622.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.27 : 1,510.05 = 622.16 : x
2. Step 2: Convert to fraction form
   1,094.27/1,510.05 = 622.16/x
3. Step 3: Cross multiply
   1,094.27x = 1,510.05 × 622.16
4. Step 4: Simplify right side
   1,094.27x = 939,492.71
5. Step 5: Solve for x
   x = 939,492.71/1,094.27
6. Step 6: Final answer
   x = 858.56