Finding the Fourth Proportional to 1,063.99, 1,468.18 and 622.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.99 : 1,468.18 = 622.02 : x
2. Step 2: Convert to fraction form
   1,063.99/1,468.18 = 622.02/x
3. Step 3: Cross multiply
   1,063.99x = 1,468.18 × 622.02
4. Step 4: Simplify right side
   1,063.99x = 913,237.32
5. Step 5: Solve for x
   x = 913,237.32/1,063.99
6. Step 6: Final answer
   x = 858.31