Finding the Fourth Proportional to 2,650, 3,976.04 and 1,006.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650 : 3,976.04 = 1,006.98 : x
2. Step 2: Convert to fraction form
   2,650/3,976.04 = 1,006.98/x
3. Step 3: Cross multiply
   2,650x = 3,976.04 × 1,006.98
4. Step 4: Simplify right side
   2,650x = 4,003,792.76
5. Step 5: Solve for x
   x = 4,003,792.76/2,650
6. Step 6: Final answer
   x = 1,510.87