Finding the Fourth Proportional to 1,173.56, 1,758.32 and 626

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.56 : 1,758.32 = 626 : x
2. Step 2: Convert to fraction form
   1,173.56/1,758.32 = 626/x
3. Step 3: Cross multiply
   1,173.56x = 1,758.32 × 626
4. Step 4: Simplify right side
   1,173.56x = 1,100,708.32
5. Step 5: Solve for x
   x = 1,100,708.32/1,173.56
6. Step 6: Final answer
   x = 937.92