Finding the Fourth Proportional to 10,100.42, 15,154.02 and 5,168.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.42 : 15,154.02 = 5,168.73 : x
2. Step 2: Convert to fraction form
   10,100.42/15,154.02 = 5,168.73/x
3. Step 3: Cross multiply
   10,100.42x = 15,154.02 × 5,168.73
4. Step 4: Simplify right side
   10,100.42x = 78,327,037.79
5. Step 5: Solve for x
   x = 78,327,037.79/10,100.42
6. Step 6: Final answer
   x = 7,754.83