Finding the Fourth Proportional to 2,137.47, 2,949.89 and 1,570.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,137.47 : 2,949.89 = 1,570.52 : x
2. Step 2: Convert to fraction form
   2,137.47/2,949.89 = 1,570.52/x
3. Step 3: Cross multiply
   2,137.47x = 2,949.89 × 1,570.52
4. Step 4: Simplify right side
   2,137.47x = 4,632,861.24
5. Step 5: Solve for x
   x = 4,632,861.24/2,137.47
6. Step 6: Final answer
   x = 2,167.45