Finding the Fourth Proportional to 1,035.63, 1,552.82 and 646.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.63 : 1,552.82 = 646.25 : x
2. Step 2: Convert to fraction form
   1,035.63/1,552.82 = 646.25/x
3. Step 3: Cross multiply
   1,035.63x = 1,552.82 × 646.25
4. Step 4: Simplify right side
   1,035.63x = 1,003,498.93
5. Step 5: Solve for x
   x = 1,003,498.93/1,035.63
6. Step 6: Final answer
   x = 968.97