Finding the Fourth Proportional to 1,003.50, 1,384.92 and 654.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,003.50 : 1,384.92 = 654.84 : x
2. Step 2: Convert to fraction form
   1,003.50/1,384.92 = 654.84/x
3. Step 3: Cross multiply
   1,003.50x = 1,384.92 × 654.84
4. Step 4: Simplify right side
   1,003.50x = 906,901.01
5. Step 5: Solve for x
   x = 906,901.01/1,003.50
6. Step 6: Final answer
   x = 903.74