Finding the Fourth Proportional to 2,521.78, 3,782.94 and 1,061.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.78 : 3,782.94 = 1,061.62 : x
2. Step 2: Convert to fraction form
   2,521.78/3,782.94 = 1,061.62/x
3. Step 3: Cross multiply
   2,521.78x = 3,782.94 × 1,061.62
4. Step 4: Simplify right side
   2,521.78x = 4,016,044.76
5. Step 5: Solve for x
   x = 4,016,044.76/2,521.78
6. Step 6: Final answer
   x = 1,592.54