Finding the Fourth Proportional to 10,362.06, 15,521.49 and 4,820.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,362.06 : 15,521.49 = 4,820.18 : x
2. Step 2: Convert to fraction form
   10,362.06/15,521.49 = 4,820.18/x
3. Step 3: Cross multiply
   10,362.06x = 15,521.49 × 4,820.18
4. Step 4: Simplify right side
   10,362.06x = 74,816,298.06
5. Step 5: Solve for x
   x = 74,816,298.06/10,362.06
6. Step 6: Final answer
   x = 7,220.21