Finding the Fourth Proportional to 3,657.52, 5,047.32 and 2,042.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,657.52 : 5,047.32 = 2,042.45 : x
2. Step 2: Convert to fraction form
   3,657.52/5,047.32 = 2,042.45/x
3. Step 3: Cross multiply
   3,657.52x = 5,047.32 × 2,042.45
4. Step 4: Simplify right side
   3,657.52x = 10,308,900.08
5. Step 5: Solve for x
   x = 10,308,900.08/3,657.52
6. Step 6: Final answer
   x = 2,818.55