Finding the Fourth Proportional to 2,091.32, 3,137.00 and 630.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091.32 : 3,137.00 = 630.48 : x
2. Step 2: Convert to fraction form
   2,091.32/3,137.00 = 630.48/x
3. Step 3: Cross multiply
   2,091.32x = 3,137.00 × 630.48
4. Step 4: Simplify right side
   2,091.32x = 1,977,812.61
5. Step 5: Solve for x
   x = 1,977,812.61/2,091.32
6. Step 6: Final answer
   x = 945.73