Finding the Fourth Proportional to 10,212.76, 15,320.13 and 3,973.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212.76 : 15,320.13 = 3,973.27 : x
2. Step 2: Convert to fraction form
   10,212.76/15,320.13 = 3,973.27/x
3. Step 3: Cross multiply
   10,212.76x = 15,320.13 × 3,973.27
4. Step 4: Simplify right side
   10,212.76x = 60,871,012.93
5. Step 5: Solve for x
   x = 60,871,012.93/10,212.76
6. Step 6: Final answer
   x = 5,960.29