Finding the Fourth Proportional to 10,425.48, 15,636.16 and 4,877.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.48 : 15,636.16 = 4,877.33 : x
2. Step 2: Convert to fraction form
   10,425.48/15,636.16 = 4,877.33/x
3. Step 3: Cross multiply
   10,425.48x = 15,636.16 × 4,877.33
4. Step 4: Simplify right side
   10,425.48x = 76,262,700.69
5. Step 5: Solve for x
   x = 76,262,700.69/10,425.48
6. Step 6: Final answer
   x = 7,315.03