Finding the Fourth Proportional to 1,084.48, 1,496.16 and 669.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.48 : 1,496.16 = 669.76 : x
2. Step 2: Convert to fraction form
   1,084.48/1,496.16 = 669.76/x
3. Step 3: Cross multiply
   1,084.48x = 1,496.16 × 669.76
4. Step 4: Simplify right side
   1,084.48x = 1,002,068.12
5. Step 5: Solve for x
   x = 1,002,068.12/1,084.48
6. Step 6: Final answer
   x = 924.01