Finding the Fourth Proportional to 10,807.17, 16,208.86 and 2,910.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.17 : 16,208.86 = 2,910.23 : x
2. Step 2: Convert to fraction form
   10,807.17/16,208.86 = 2,910.23/x
3. Step 3: Cross multiply
   10,807.17x = 16,208.86 × 2,910.23
4. Step 4: Simplify right side
   10,807.17x = 47,171,488.56
5. Step 5: Solve for x
   x = 47,171,488.56/10,807.17
6. Step 6: Final answer
   x = 4,364.83