Finding the Fourth Proportional to 10,300.96, 15,436.66 and 5,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.96 : 15,436.66 = 5,610.72 : x
2. Step 2: Convert to fraction form
   10,300.96/15,436.66 = 5,610.72/x
3. Step 3: Cross multiply
   10,300.96x = 15,436.66 × 5,610.72
4. Step 4: Simplify right side
   10,300.96x = 86,610,777.00
5. Step 5: Solve for x
   x = 86,610,777.00/10,300.96
6. Step 6: Final answer
   x = 8,408.03