Finding the Fourth Proportional to 10,221.94, 15,362.07 and 5,031.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,221.94 : 15,362.07 = 5,031.46 : x
2. Step 2: Convert to fraction form
   10,221.94/15,362.07 = 5,031.46/x
3. Step 3: Cross multiply
   10,221.94x = 15,362.07 × 5,031.46
4. Step 4: Simplify right side
   10,221.94x = 77,293,640.72
5. Step 5: Solve for x
   x = 77,293,640.72/10,221.94
6. Step 6: Final answer
   x = 7,561.54