Finding the Fourth Proportional to 1,068.30, 1,599.72 and 656.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.30 : 1,599.72 = 656.19 : x
2. Step 2: Convert to fraction form
   1,068.30/1,599.72 = 656.19/x
3. Step 3: Cross multiply
   1,068.30x = 1,599.72 × 656.19
4. Step 4: Simplify right side
   1,068.30x = 1,049,720.27
5. Step 5: Solve for x
   x = 1,049,720.27/1,068.30
6. Step 6: Final answer
   x = 982.61