Finding the Fourth Proportional to 10,499.31, 15,741.24 and 4,949.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.31 : 15,741.24 = 4,949.52 : x
2. Step 2: Convert to fraction form
   10,499.31/15,741.24 = 4,949.52/x
3. Step 3: Cross multiply
   10,499.31x = 15,741.24 × 4,949.52
4. Step 4: Simplify right side
   10,499.31x = 77,911,582.20
5. Step 5: Solve for x
   x = 77,911,582.20/10,499.31
6. Step 6: Final answer
   x = 7,420.64