Finding the Fourth Proportional to 2,101.52, 3,152.96 and 1,005.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101.52 : 3,152.96 = 1,005.74 : x
2. Step 2: Convert to fraction form
   2,101.52/3,152.96 = 1,005.74/x
3. Step 3: Cross multiply
   2,101.52x = 3,152.96 × 1,005.74
4. Step 4: Simplify right side
   2,101.52x = 3,171,057.99
5. Step 5: Solve for x
   x = 3,171,057.99/2,101.52
6. Step 6: Final answer
   x = 1,508.94