Finding the Fourth Proportional to 2,641.59, 3,961.17 and 1,487.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.59 : 3,961.17 = 1,487.34 : x
2. Step 2: Convert to fraction form
   2,641.59/3,961.17 = 1,487.34/x
3. Step 3: Cross multiply
   2,641.59x = 3,961.17 × 1,487.34
4. Step 4: Simplify right side
   2,641.59x = 5,891,606.59
5. Step 5: Solve for x
   x = 5,891,606.59/2,641.59
6. Step 6: Final answer
   x = 2,230.33