Finding the Fourth Proportional to 1,624.88, 2,242.04 and 961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.88 : 2,242.04 = 961.50 : x
2. Step 2: Convert to fraction form
   1,624.88/2,242.04 = 961.50/x
3. Step 3: Cross multiply
   1,624.88x = 2,242.04 × 961.50
4. Step 4: Simplify right side
   1,624.88x = 2,155,721.46
5. Step 5: Solve for x
   x = 2,155,721.46/1,624.88
6. Step 6: Final answer
   x = 1,326.70