Finding the Fourth Proportional to 1,094.32, 1,510.03 and 622.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094.32 : 1,510.03 = 622.18 : x
2. Step 2: Convert to fraction form
   1,094.32/1,510.03 = 622.18/x
3. Step 3: Cross multiply
   1,094.32x = 1,510.03 × 622.18
4. Step 4: Simplify right side
   1,094.32x = 939,510.47
5. Step 5: Solve for x
   x = 939,510.47/1,094.32
6. Step 6: Final answer
   x = 858.53