Finding the Fourth Proportional to 3,654.50, 5,478.54 and 1,898.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,654.50 : 5,478.54 = 1,898.52 : x
2. Step 2: Convert to fraction form
   3,654.50/5,478.54 = 1,898.52/x
3. Step 3: Cross multiply
   3,654.50x = 5,478.54 × 1,898.52
4. Step 4: Simplify right side
   3,654.50x = 10,401,117.76
5. Step 5: Solve for x
   x = 10,401,117.76/3,654.50
6. Step 6: Final answer
   x = 2,846.11