Finding the Fourth Proportional to 10,272.24, 15,416.37 and 4,728.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,272.24 : 15,416.37 = 4,728.06 : x
2. Step 2: Convert to fraction form
   10,272.24/15,416.37 = 4,728.06/x
3. Step 3: Cross multiply
   10,272.24x = 15,416.37 × 4,728.06
4. Step 4: Simplify right side
   10,272.24x = 72,889,522.34
5. Step 5: Solve for x
   x = 72,889,522.34/10,272.24
6. Step 6: Final answer
   x = 7,095.78