Finding the Fourth Proportional to 10,721.64, 16,087.58 and 3,799.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,721.64 : 16,087.58 = 3,799.40 : x
2. Step 2: Convert to fraction form
   10,721.64/16,087.58 = 3,799.40/x
3. Step 3: Cross multiply
   10,721.64x = 16,087.58 × 3,799.40
4. Step 4: Simplify right side
   10,721.64x = 61,123,151.45
5. Step 5: Solve for x
   x = 61,123,151.45/10,721.64
6. Step 6: Final answer
   x = 5,700.91