Finding the Fourth Proportional to 2,911.31, 4,362.87 and 2,476.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.31 : 4,362.87 = 2,476.76 : x
2. Step 2: Convert to fraction form
   2,911.31/4,362.87 = 2,476.76/x
3. Step 3: Cross multiply
   2,911.31x = 4,362.87 × 2,476.76
4. Step 4: Simplify right side
   2,911.31x = 10,805,781.90
5. Step 5: Solve for x
   x = 10,805,781.90/2,911.31
6. Step 6: Final answer
   x = 3,711.66