Finding the Fourth Proportional to 1,070.50, 1,477.30 and 650.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.50 : 1,477.30 = 650.82 : x
2. Step 2: Convert to fraction form
   1,070.50/1,477.30 = 650.82/x
3. Step 3: Cross multiply
   1,070.50x = 1,477.30 × 650.82
4. Step 4: Simplify right side
   1,070.50x = 961,456.39
5. Step 5: Solve for x
   x = 961,456.39/1,070.50
6. Step 6: Final answer
   x = 898.14