Finding the Fourth Proportional to 10,176.76, 15,262.84 and 5,174.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,176.76 : 15,262.84 = 5,174.07 : x
2. Step 2: Convert to fraction form
   10,176.76/15,262.84 = 5,174.07/x
3. Step 3: Cross multiply
   10,176.76x = 15,262.84 × 5,174.07
4. Step 4: Simplify right side
   10,176.76x = 78,971,002.56
5. Step 5: Solve for x
   x = 78,971,002.56/10,176.76
6. Step 6: Final answer
   x = 7,759.94