Finding the Fourth Proportional to 1,522.29, 2,278.18 and 1,262.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.29 : 2,278.18 = 1,262.79 : x
2. Step 2: Convert to fraction form
   1,522.29/2,278.18 = 1,262.79/x
3. Step 3: Cross multiply
   1,522.29x = 2,278.18 × 1,262.79
4. Step 4: Simplify right side
   1,522.29x = 2,876,857.40
5. Step 5: Solve for x
   x = 2,876,857.40/1,522.29
6. Step 6: Final answer
   x = 1,889.82