Finding the Fourth Proportional to 2,100.98, 3,146.68 and 1,006.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.98 : 3,146.68 = 1,006.12 : x
2. Step 2: Convert to fraction form
   2,100.98/3,146.68 = 1,006.12/x
3. Step 3: Cross multiply
   2,100.98x = 3,146.68 × 1,006.12
4. Step 4: Simplify right side
   2,100.98x = 3,165,927.30
5. Step 5: Solve for x
   x = 3,165,927.30/2,100.98
6. Step 6: Final answer
   x = 1,506.88