Finding the Fourth Proportional to 4,711.68, 7,061.76 and 2,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,711.68 : 7,061.76 = 2,111.76 : x
2. Step 2: Convert to fraction form
   4,711.68/7,061.76 = 2,111.76/x
3. Step 3: Cross multiply
   4,711.68x = 7,061.76 × 2,111.76
4. Step 4: Simplify right side
   4,711.68x = 14,912,742.30
5. Step 5: Solve for x
   x = 14,912,742.30/4,711.68
6. Step 6: Final answer
   x = 3,165.06