Finding the Fourth Proportional to 1,623.30, 2,240.17 and 924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,623.30 : 2,240.17 = 924.72 : x
2. Step 2: Convert to fraction form
   1,623.30/2,240.17 = 924.72/x
3. Step 3: Cross multiply
   1,623.30x = 2,240.17 × 924.72
4. Step 4: Simplify right side
   1,623.30x = 2,071,530.00
5. Step 5: Solve for x
   x = 2,071,530.00/1,623.30
6. Step 6: Final answer
   x = 1,276.12