Finding the Fourth Proportional to 1,062.01, 1,590.71 and 649.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062.01 : 1,590.71 = 649.90 : x
2. Step 2: Convert to fraction form
   1,062.01/1,590.71 = 649.90/x
3. Step 3: Cross multiply
   1,062.01x = 1,590.71 × 649.90
4. Step 4: Simplify right side
   1,062.01x = 1,033,804.82
5. Step 5: Solve for x
   x = 1,033,804.82/1,062.01
6. Step 6: Final answer
   x = 973.44