Finding the Fourth Proportional to 2,967.72, 4,451.56 and 2,319

Step by Step Solution

1. Step 1: Write the proportion equation
   2,967.72 : 4,451.56 = 2,319 : x
2. Step 2: Convert to fraction form
   2,967.72/4,451.56 = 2,319/x
3. Step 3: Cross multiply
   2,967.72x = 4,451.56 × 2,319
4. Step 4: Simplify right side
   2,967.72x = 10,323,167.64
5. Step 5: Solve for x
   x = 10,323,167.64/2,967.72
6. Step 6: Final answer
   x = 3,478.48