Finding the Fourth Proportional to 2,538.66, 3,503.61 and 1,491.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.66 : 3,503.61 = 1,491.06 : x
2. Step 2: Convert to fraction form
   2,538.66/3,503.61 = 1,491.06/x
3. Step 3: Cross multiply
   2,538.66x = 3,503.61 × 1,491.06
4. Step 4: Simplify right side
   2,538.66x = 5,224,092.73
5. Step 5: Solve for x
   x = 5,224,092.73/2,538.66
6. Step 6: Final answer
   x = 2,057.82