Finding the Fourth Proportional to 10,321.82, 15,480.66 and 5,054.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,321.82 : 15,480.66 = 5,054.56 : x
2. Step 2: Convert to fraction form
   10,321.82/15,480.66 = 5,054.56/x
3. Step 3: Cross multiply
   10,321.82x = 15,480.66 × 5,054.56
4. Step 4: Simplify right side
   10,321.82x = 78,247,924.81
5. Step 5: Solve for x
   x = 78,247,924.81/10,321.82
6. Step 6: Final answer
   x = 7,580.83