Finding the Fourth Proportional to 2,520.78, 3,781.44 and 1,060.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520.78 : 3,781.44 = 1,060.62 : x
2. Step 2: Convert to fraction form
   2,520.78/3,781.44 = 1,060.62/x
3. Step 3: Cross multiply
   2,520.78x = 3,781.44 × 1,060.62
4. Step 4: Simplify right side
   2,520.78x = 4,010,670.89
5. Step 5: Solve for x
   x = 4,010,670.89/2,520.78
6. Step 6: Final answer
   x = 1,591.04