Finding the Fourth Proportional to 10,145.72, 15,208.16 and 4,872.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.72 : 15,208.16 = 4,872.83 : x
2. Step 2: Convert to fraction form
   10,145.72/15,208.16 = 4,872.83/x
3. Step 3: Cross multiply
   10,145.72x = 15,208.16 × 4,872.83
4. Step 4: Simplify right side
   10,145.72x = 74,106,677.89
5. Step 5: Solve for x
   x = 74,106,677.89/10,145.72
6. Step 6: Final answer
   x = 7,304.23