Finding the Fourth Proportional to 2,979, 4,111.50 and 1,736.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979 : 4,111.50 = 1,736.76 : x
2. Step 2: Convert to fraction form
   2,979/4,111.50 = 1,736.76/x
3. Step 3: Cross multiply
   2,979x = 4,111.50 × 1,736.76
4. Step 4: Simplify right side
   2,979x = 7,140,688.74
5. Step 5: Solve for x
   x = 7,140,688.74/2,979
6. Step 6: Final answer
   x = 2,397.01