Finding the Fourth Proportional to 1,112.50, 1,670.01 and 650.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.50 : 1,670.01 = 650.62 : x
2. Step 2: Convert to fraction form
   1,112.50/1,670.01 = 650.62/x
3. Step 3: Cross multiply
   1,112.50x = 1,670.01 × 650.62
4. Step 4: Simplify right side
   1,112.50x = 1,086,541.91
5. Step 5: Solve for x
   x = 1,086,541.91/1,112.50
6. Step 6: Final answer
   x = 976.67