Finding the Fourth Proportional to 2,992.43, 4,487.63 and 1,117.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,992.43 : 4,487.63 = 1,117.93 : x
2. Step 2: Convert to fraction form
   2,992.43/4,487.63 = 1,117.93/x
3. Step 3: Cross multiply
   2,992.43x = 4,487.63 × 1,117.93
4. Step 4: Simplify right side
   2,992.43x = 5,016,856.21
5. Step 5: Solve for x
   x = 5,016,856.21/2,992.43
6. Step 6: Final answer
   x = 1,676.52