Finding the Fourth Proportional to 1,663.83, 2,496.72 and 624.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.83 : 2,496.72 = 624.56 : x
2. Step 2: Convert to fraction form
   1,663.83/2,496.72 = 624.56/x
3. Step 3: Cross multiply
   1,663.83x = 2,496.72 × 624.56
4. Step 4: Simplify right side
   1,663.83x = 1,559,348.32
5. Step 5: Solve for x
   x = 1,559,348.32/1,663.83
6. Step 6: Final answer
   x = 937.20