Finding the Fourth Proportional to 10,082.59, 15,110.74 and 5,148.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,082.59 : 15,110.74 = 5,148.07 : x
2. Step 2: Convert to fraction form
   10,082.59/15,110.74 = 5,148.07/x
3. Step 3: Cross multiply
   10,082.59x = 15,110.74 × 5,148.07
4. Step 4: Simplify right side
   10,082.59x = 77,791,147.27
5. Step 5: Solve for x
   x = 77,791,147.27/10,082.59
6. Step 6: Final answer
   x = 7,715.39