Finding the Fourth Proportional to 1,069.98, 1,476.14 and 656.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.98 : 1,476.14 = 656.22 : x
2. Step 2: Convert to fraction form
   1,069.98/1,476.14 = 656.22/x
3. Step 3: Cross multiply
   1,069.98x = 1,476.14 × 656.22
4. Step 4: Simplify right side
   1,069.98x = 968,672.59
5. Step 5: Solve for x
   x = 968,672.59/1,069.98
6. Step 6: Final answer
   x = 905.32