Finding the Fourth Proportional to 10,505.14, 15,755.54 and 4,956.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.14 : 15,755.54 = 4,956.10 : x
2. Step 2: Convert to fraction form
   10,505.14/15,755.54 = 4,956.10/x
3. Step 3: Cross multiply
   10,505.14x = 15,755.54 × 4,956.10
4. Step 4: Simplify right side
   10,505.14x = 78,086,031.79
5. Step 5: Solve for x
   x = 78,086,031.79/10,505.14
6. Step 6: Final answer
   x = 7,433.13