Finding the Fourth Proportional to 1,092.52, 1,507.76 and 626.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.52 : 1,507.76 = 626.84 : x
2. Step 2: Convert to fraction form
   1,092.52/1,507.76 = 626.84/x
3. Step 3: Cross multiply
   1,092.52x = 1,507.76 × 626.84
4. Step 4: Simplify right side
   1,092.52x = 945,124.28
5. Step 5: Solve for x
   x = 945,124.28/1,092.52
6. Step 6: Final answer
   x = 865.09