Finding the Fourth Proportional to 1,274.05, 1,911.27 and 624.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.05 : 1,911.27 = 624.82 : x
2. Step 2: Convert to fraction form
   1,274.05/1,911.27 = 624.82/x
3. Step 3: Cross multiply
   1,274.05x = 1,911.27 × 624.82
4. Step 4: Simplify right side
   1,274.05x = 1,194,199.72
5. Step 5: Solve for x
   x = 1,194,199.72/1,274.05
6. Step 6: Final answer
   x = 937.33