Finding the Fourth Proportional to 1,068.69, 1,474.82 and 626.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.69 : 1,474.82 = 626.61 : x
2. Step 2: Convert to fraction form
   1,068.69/1,474.82 = 626.61/x
3. Step 3: Cross multiply
   1,068.69x = 1,474.82 × 626.61
4. Step 4: Simplify right side
   1,068.69x = 924,136.96
5. Step 5: Solve for x
   x = 924,136.96/1,068.69
6. Step 6: Final answer
   x = 864.74