Finding the Fourth Proportional to 10,071.16, 15,105.18 and 5,144.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.16 : 15,105.18 = 5,144.44 : x
2. Step 2: Convert to fraction form
   10,071.16/15,105.18 = 5,144.44/x
3. Step 3: Cross multiply
   10,071.16x = 15,105.18 × 5,144.44
4. Step 4: Simplify right side
   10,071.16x = 77,707,692.20
5. Step 5: Solve for x
   x = 77,707,692.20/10,071.16
6. Step 6: Final answer
   x = 7,715.86