Finding the Fourth Proportional to 2,122.29, 2,927.56 and 1,282.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122.29 : 2,927.56 = 1,282.72 : x
2. Step 2: Convert to fraction form
   2,122.29/2,927.56 = 1,282.72/x
3. Step 3: Cross multiply
   2,122.29x = 2,927.56 × 1,282.72
4. Step 4: Simplify right side
   2,122.29x = 3,755,239.76
5. Step 5: Solve for x
   x = 3,755,239.76/2,122.29
6. Step 6: Final answer
   x = 1,769.43