Finding the Fourth Proportional to 1,447.61, 1,998.69 and 924.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447.61 : 1,998.69 = 924.35 : x
2. Step 2: Convert to fraction form
   1,447.61/1,998.69 = 924.35/x
3. Step 3: Cross multiply
   1,447.61x = 1,998.69 × 924.35
4. Step 4: Simplify right side
   1,447.61x = 1,847,489.10
5. Step 5: Solve for x
   x = 1,847,489.10/1,447.61
6. Step 6: Final answer
   x = 1,276.23