Finding the Fourth Proportional to 4,744.71, 7,117.29 and 2,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,744.71 : 7,117.29 = 2,111.76 : x
2. Step 2: Convert to fraction form
   4,744.71/7,117.29 = 2,111.76/x
3. Step 3: Cross multiply
   4,744.71x = 7,117.29 × 2,111.76
4. Step 4: Simplify right side
   4,744.71x = 15,030,008.33
5. Step 5: Solve for x
   x = 15,030,008.33/4,744.71
6. Step 6: Final answer
   x = 3,167.74