Finding the Fourth Proportional to 10,865.86, 16,301.52 and 3,074.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.86 : 16,301.52 = 3,074.68 : x
2. Step 2: Convert to fraction form
   10,865.86/16,301.52 = 3,074.68/x
3. Step 3: Cross multiply
   10,865.86x = 16,301.52 × 3,074.68
4. Step 4: Simplify right side
   10,865.86x = 50,121,957.51
5. Step 5: Solve for x
   x = 50,121,957.51/10,865.86
6. Step 6: Final answer
   x = 4,612.79