Finding the Fourth Proportional to 1,654.50, 2,472.60 and 1,328.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.50 : 2,472.60 = 1,328.34 : x
2. Step 2: Convert to fraction form
   1,654.50/2,472.60 = 1,328.34/x
3. Step 3: Cross multiply
   1,654.50x = 2,472.60 × 1,328.34
4. Step 4: Simplify right side
   1,654.50x = 3,284,453.48
5. Step 5: Solve for x
   x = 3,284,453.48/1,654.50
6. Step 6: Final answer
   x = 1,985.16