Finding the Fourth Proportional to 10,871.04, 16,301.71 and 5,251.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871.04 : 16,301.71 = 5,251.47 : x
2. Step 2: Convert to fraction form
   10,871.04/16,301.71 = 5,251.47/x
3. Step 3: Cross multiply
   10,871.04x = 16,301.71 × 5,251.47
4. Step 4: Simplify right side
   10,871.04x = 85,607,941.01
5. Step 5: Solve for x
   x = 85,607,941.01/10,871.04
6. Step 6: Final answer
   x = 7,874.86