Finding the Fourth Proportional to 10,330.05, 15,484.25 and 5,057.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,330.05 : 15,484.25 = 5,057.79 : x
2. Step 2: Convert to fraction form
   10,330.05/15,484.25 = 5,057.79/x
3. Step 3: Cross multiply
   10,330.05x = 15,484.25 × 5,057.79
4. Step 4: Simplify right side
   10,330.05x = 78,316,059.52
5. Step 5: Solve for x
   x = 78,316,059.52/10,330.05
6. Step 6: Final answer
   x = 7,581.38