Finding the Fourth Proportional to 3,631.60, 5,011.72 and 2,059.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,631.60 : 5,011.72 = 2,059.76 : x
2. Step 2: Convert to fraction form
   3,631.60/5,011.72 = 2,059.76/x
3. Step 3: Cross multiply
   3,631.60x = 5,011.72 × 2,059.76
4. Step 4: Simplify right side
   3,631.60x = 10,322,940.39
5. Step 5: Solve for x
   x = 10,322,940.39/3,631.60
6. Step 6: Final answer
   x = 2,842.53