Finding the Fourth Proportional to 5,874.72, 8,813.38 and 1,979

Step by Step Solution

1. Step 1: Write the proportion equation
   5,874.72 : 8,813.38 = 1,979 : x
2. Step 2: Convert to fraction form
   5,874.72/8,813.38 = 1,979/x
3. Step 3: Cross multiply
   5,874.72x = 8,813.38 × 1,979
4. Step 4: Simplify right side
   5,874.72x = 17,441,679.02
5. Step 5: Solve for x
   x = 17,441,679.02/5,874.72
6. Step 6: Final answer
   x = 2,968.94