Finding the Fourth Proportional to 10,092.28, 15,128.67 and 5,164.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,092.28 : 15,128.67 = 5,164.24 : x
2. Step 2: Convert to fraction form
   10,092.28/15,128.67 = 5,164.24/x
3. Step 3: Cross multiply
   10,092.28x = 15,128.67 × 5,164.24
4. Step 4: Simplify right side
   10,092.28x = 78,128,082.76
5. Step 5: Solve for x
   x = 78,128,082.76/10,092.28
6. Step 6: Final answer
   x = 7,741.37