Finding the Fourth Proportional to 1,094.43, 1,510.33 and 622.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.43 : 1,510.33 = 622.35 : x
2. Step 2: Convert to fraction form
   1,094.43/1,510.33 = 622.35/x
3. Step 3: Cross multiply
   1,094.43x = 1,510.33 × 622.35
4. Step 4: Simplify right side
   1,094.43x = 939,953.88
5. Step 5: Solve for x
   x = 939,953.88/1,094.43
6. Step 6: Final answer
   x = 858.85