Finding the Fourth Proportional to 10,377.27, 15,568.89 and 5,113.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,377.27 : 15,568.89 = 5,113.86 : x
2. Step 2: Convert to fraction form
   10,377.27/15,568.89 = 5,113.86/x
3. Step 3: Cross multiply
   10,377.27x = 15,568.89 × 5,113.86
4. Step 4: Simplify right side
   10,377.27x = 79,617,020.40
5. Step 5: Solve for x
   x = 79,617,020.40/10,377.27
6. Step 6: Final answer
   x = 7,672.25