Finding the Fourth Proportional to 10,865.88, 16,301.52 and 3,074.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,865.88 : 16,301.52 = 3,074.76 : x
2. Step 2: Convert to fraction form
   10,865.88/16,301.52 = 3,074.76/x
3. Step 3: Cross multiply
   10,865.88x = 16,301.52 × 3,074.76
4. Step 4: Simplify right side
   10,865.88x = 50,123,261.64
5. Step 5: Solve for x
   x = 50,123,261.64/10,865.88
6. Step 6: Final answer
   x = 4,612.90