Finding the Fourth Proportional to 2,127.89, 2,935.67 and 1,569.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.89 : 2,935.67 = 1,569.68 : x
2. Step 2: Convert to fraction form
   2,127.89/2,935.67 = 1,569.68/x
3. Step 3: Cross multiply
   2,127.89x = 2,935.67 × 1,569.68
4. Step 4: Simplify right side
   2,127.89x = 4,608,062.49
5. Step 5: Solve for x
   x = 4,608,062.49/2,127.89
6. Step 6: Final answer
   x = 2,165.55