Finding the Fourth Proportional to 10,271.34, 15,392.16 and 5,587.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,271.34 : 15,392.16 = 5,587.38 : x
2. Step 2: Convert to fraction form
   10,271.34/15,392.16 = 5,587.38/x
3. Step 3: Cross multiply
   10,271.34x = 15,392.16 × 5,587.38
4. Step 4: Simplify right side
   10,271.34x = 86,001,846.94
5. Step 5: Solve for x
   x = 86,001,846.94/10,271.34
6. Step 6: Final answer
   x = 8,372.99