Finding the Fourth Proportional to 3,521.78, 5,275.38 and 2,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521.78 : 5,275.38 = 2,056.52 : x
2. Step 2: Convert to fraction form
   3,521.78/5,275.38 = 2,056.52/x
3. Step 3: Cross multiply
   3,521.78x = 5,275.38 × 2,056.52
4. Step 4: Simplify right side
   3,521.78x = 10,848,924.48
5. Step 5: Solve for x
   x = 10,848,924.48/3,521.78
6. Step 6: Final answer
   x = 3,080.52