Finding the Fourth Proportional to 10,505.20, 15,756.54 and 2,714.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.20 : 15,756.54 = 2,714.62 : x
2. Step 2: Convert to fraction form
   10,505.20/15,756.54 = 2,714.62/x
3. Step 3: Cross multiply
   10,505.20x = 15,756.54 × 2,714.62
4. Step 4: Simplify right side
   10,505.20x = 42,773,018.61
5. Step 5: Solve for x
   x = 42,773,018.61/10,505.20
6. Step 6: Final answer
   x = 4,071.60