Finding the Fourth Proportional to 1,002.02, 1,383.46 and 653.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002.02 : 1,383.46 = 653.30 : x
2. Step 2: Convert to fraction form
   1,002.02/1,383.46 = 653.30/x
3. Step 3: Cross multiply
   1,002.02x = 1,383.46 × 653.30
4. Step 4: Simplify right side
   1,002.02x = 903,814.42
5. Step 5: Solve for x
   x = 903,814.42/1,002.02
6. Step 6: Final answer
   x = 901.99