Finding the Fourth Proportional to 10,982.88, 16,472.16 and 2,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,982.88 : 16,472.16 = 2,977.50 : x
2. Step 2: Convert to fraction form
   10,982.88/16,472.16 = 2,977.50/x
3. Step 3: Cross multiply
   10,982.88x = 16,472.16 × 2,977.50
4. Step 4: Simplify right side
   10,982.88x = 49,045,856.40
5. Step 5: Solve for x
   x = 49,045,856.40/10,982.88
6. Step 6: Final answer
   x = 4,465.66