Finding the Fourth Proportional to 10,300.74, 15,453.71 and 4,757.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,300.74 : 15,453.71 = 4,757.97 : x
2. Step 2: Convert to fraction form
   10,300.74/15,453.71 = 4,757.97/x
3. Step 3: Cross multiply
   10,300.74x = 15,453.71 × 4,757.97
4. Step 4: Simplify right side
   10,300.74x = 73,528,264.78
5. Step 5: Solve for x
   x = 73,528,264.78/10,300.74
6. Step 6: Final answer
   x = 7,138.15