Finding the Fourth Proportional to 10,049.77, 15,054.49 and 4,789.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.77 : 15,054.49 = 4,789.87 : x
2. Step 2: Convert to fraction form
   10,049.77/15,054.49 = 4,789.87/x
3. Step 3: Cross multiply
   10,049.77x = 15,054.49 × 4,789.87
4. Step 4: Simplify right side
   10,049.77x = 72,109,018.37
5. Step 5: Solve for x
   x = 72,109,018.37/10,049.77
6. Step 6: Final answer
   x = 7,175.19