Finding the Fourth Proportional to 1,003.72, 1,384.26 and 654.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.72 : 1,384.26 = 654.52 : x
2. Step 2: Convert to fraction form
   1,003.72/1,384.26 = 654.52/x
3. Step 3: Cross multiply
   1,003.72x = 1,384.26 × 654.52
4. Step 4: Simplify right side
   1,003.72x = 906,025.86
5. Step 5: Solve for x
   x = 906,025.86/1,003.72
6. Step 6: Final answer
   x = 902.67