Finding the Fourth Proportional to 10,462.69, 15,697.28 and 4,915.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,462.69 : 15,697.28 = 4,915.81 : x
2. Step 2: Convert to fraction form
   10,462.69/15,697.28 = 4,915.81/x
3. Step 3: Cross multiply
   10,462.69x = 15,697.28 × 4,915.81
4. Step 4: Simplify right side
   10,462.69x = 77,164,846.00
5. Step 5: Solve for x
   x = 77,164,846.00/10,462.69
6. Step 6: Final answer
   x = 7,375.24