Finding the Fourth Proportional to 2,147.98, 2,964.59 and 1,560.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.98 : 2,964.59 = 1,560.22 : x
2. Step 2: Convert to fraction form
   2,147.98/2,964.59 = 1,560.22/x
3. Step 3: Cross multiply
   2,147.98x = 2,964.59 × 1,560.22
4. Step 4: Simplify right side
   2,147.98x = 4,625,412.61
5. Step 5: Solve for x
   x = 4,625,412.61/2,147.98
6. Step 6: Final answer
   x = 2,153.38