Finding the Fourth Proportional to 1,624.79, 2,242.05 and 995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.79 : 2,242.05 = 995.50 : x
2. Step 2: Convert to fraction form
   1,624.79/2,242.05 = 995.50/x
3. Step 3: Cross multiply
   1,624.79x = 2,242.05 × 995.50
4. Step 4: Simplify right side
   1,624.79x = 2,231,960.78
5. Step 5: Solve for x
   x = 2,231,960.78/1,624.79
6. Step 6: Final answer
   x = 1,373.69