Finding the Fourth Proportional to 10,092.67, 15,139.07 and 3,518.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,092.67 : 15,139.07 = 3,518.83 : x
2. Step 2: Convert to fraction form
   10,092.67/15,139.07 = 3,518.83/x
3. Step 3: Cross multiply
   10,092.67x = 15,139.07 × 3,518.83
4. Step 4: Simplify right side
   10,092.67x = 53,271,813.69
5. Step 5: Solve for x
   x = 53,271,813.69/10,092.67
6. Step 6: Final answer
   x = 5,278.27