Finding the Fourth Proportional to 1,068.91, 1,475.10 and 626.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.91 : 1,475.10 = 626.82 : x
2. Step 2: Convert to fraction form
   1,068.91/1,475.10 = 626.82/x
3. Step 3: Cross multiply
   1,068.91x = 1,475.10 × 626.82
4. Step 4: Simplify right side
   1,068.91x = 924,623.75
5. Step 5: Solve for x
   x = 924,623.75/1,068.91
6. Step 6: Final answer
   x = 865.02