Finding the Fourth Proportional to 1,111.35, 1,667.02 and 624.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.35 : 1,667.02 = 624.75 : x
2. Step 2: Convert to fraction form
   1,111.35/1,667.02 = 624.75/x
3. Step 3: Cross multiply
   1,111.35x = 1,667.02 × 624.75
4. Step 4: Simplify right side
   1,111.35x = 1,041,470.75
5. Step 5: Solve for x
   x = 1,041,470.75/1,111.35
6. Step 6: Final answer
   x = 937.12