Finding the Fourth Proportional to 1,112.52, 1,666.74 and 624.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.52 : 1,666.74 = 624.08 : x
2. Step 2: Convert to fraction form
   1,112.52/1,666.74 = 624.08/x
3. Step 3: Cross multiply
   1,112.52x = 1,666.74 × 624.08
4. Step 4: Simplify right side
   1,112.52x = 1,040,179.10
5. Step 5: Solve for x
   x = 1,040,179.10/1,112.52
6. Step 6: Final answer
   x = 934.98