Finding the Fourth Proportional to 10,904.88, 16,357.47 and 3,113.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,904.88 : 16,357.47 = 3,113.71 : x
2. Step 2: Convert to fraction form
   10,904.88/16,357.47 = 3,113.71/x
3. Step 3: Cross multiply
   10,904.88x = 16,357.47 × 3,113.71
4. Step 4: Simplify right side
   10,904.88x = 50,932,417.91
5. Step 5: Solve for x
   x = 50,932,417.91/10,904.88
6. Step 6: Final answer
   x = 4,670.61