Finding the Fourth Proportional to 2,155.50, 3,234.06 and 1,001.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155.50 : 3,234.06 = 1,001.25 : x
2. Step 2: Convert to fraction form
   2,155.50/3,234.06 = 1,001.25/x
3. Step 3: Cross multiply
   2,155.50x = 3,234.06 × 1,001.25
4. Step 4: Simplify right side
   2,155.50x = 3,238,102.58
5. Step 5: Solve for x
   x = 3,238,102.58/2,155.50
6. Step 6: Final answer
   x = 1,502.25