Finding the Fourth Proportional to 1,068.96, 1,474.83 and 626.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.96 : 1,474.83 = 626.88 : x
2. Step 2: Convert to fraction form
   1,068.96/1,474.83 = 626.88/x
3. Step 3: Cross multiply
   1,068.96x = 1,474.83 × 626.88
4. Step 4: Simplify right side
   1,068.96x = 924,541.43
5. Step 5: Solve for x
   x = 924,541.43/1,068.96
6. Step 6: Final answer
   x = 864.90