Finding the Fourth Proportional to 3,560.91, 4,914.50 and 2,164.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,560.91 : 4,914.50 = 2,164.47 : x
2. Step 2: Convert to fraction form
   3,560.91/4,914.50 = 2,164.47/x
3. Step 3: Cross multiply
   3,560.91x = 4,914.50 × 2,164.47
4. Step 4: Simplify right side
   3,560.91x = 10,637,287.82
5. Step 5: Solve for x
   x = 10,637,287.82/3,560.91
6. Step 6: Final answer
   x = 2,987.24