Finding the Fourth Proportional to 1,031.37, 1,544.99 and 620.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.37 : 1,544.99 = 620.27 : x
2. Step 2: Convert to fraction form
   1,031.37/1,544.99 = 620.27/x
3. Step 3: Cross multiply
   1,031.37x = 1,544.99 × 620.27
4. Step 4: Simplify right side
   1,031.37x = 958,314.61
5. Step 5: Solve for x
   x = 958,314.61/1,031.37
6. Step 6: Final answer
   x = 929.17