Finding the Fourth Proportional to 2,521.12, 3,777.83 and 1,059.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521.12 : 3,777.83 = 1,059.47 : x
2. Step 2: Convert to fraction form
   2,521.12/3,777.83 = 1,059.47/x
3. Step 3: Cross multiply
   2,521.12x = 3,777.83 × 1,059.47
4. Step 4: Simplify right side
   2,521.12x = 4,002,497.55
5. Step 5: Solve for x
   x = 4,002,497.55/2,521.12
6. Step 6: Final answer
   x = 1,587.59