Finding the Fourth Proportional to 1,070.94, 1,477.72 and 605.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.94 : 1,477.72 = 605.10 : x
2. Step 2: Convert to fraction form
   1,070.94/1,477.72 = 605.10/x
3. Step 3: Cross multiply
   1,070.94x = 1,477.72 × 605.10
4. Step 4: Simplify right side
   1,070.94x = 894,168.37
5. Step 5: Solve for x
   x = 894,168.37/1,070.94
6. Step 6: Final answer
   x = 834.94