Finding the Fourth Proportional to 1,021.34, 1,529.46 and 655.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,021.34 : 1,529.46 = 655.02 : x
2. Step 2: Convert to fraction form
   1,021.34/1,529.46 = 655.02/x
3. Step 3: Cross multiply
   1,021.34x = 1,529.46 × 655.02
4. Step 4: Simplify right side
   1,021.34x = 1,001,826.89
5. Step 5: Solve for x
   x = 1,001,826.89/1,021.34
6. Step 6: Final answer
   x = 980.89