Finding the Fourth Proportional to 1,068.79, 1,473.17 and 714.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.79 : 1,473.17 = 714.59 : x
2. Step 2: Convert to fraction form
   1,068.79/1,473.17 = 714.59/x
3. Step 3: Cross multiply
   1,068.79x = 1,473.17 × 714.59
4. Step 4: Simplify right side
   1,068.79x = 1,052,705.76
5. Step 5: Solve for x
   x = 1,052,705.76/1,068.79
6. Step 6: Final answer
   x = 984.95