Finding the Fourth Proportional to 10,019.67, 15,038.69 and 5,092.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.67 : 15,038.69 = 5,092.71 : x
2. Step 2: Convert to fraction form
   10,019.67/15,038.69 = 5,092.71/x
3. Step 3: Cross multiply
   10,019.67x = 15,038.69 × 5,092.71
4. Step 4: Simplify right side
   10,019.67x = 76,587,661.49
5. Step 5: Solve for x
   x = 76,587,661.49/10,019.67
6. Step 6: Final answer
   x = 7,643.73