Finding the Fourth Proportional to 10,100.42, 15,156.94 and 3,860.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.42 : 15,156.94 = 3,860.96 : x
2. Step 2: Convert to fraction form
   10,100.42/15,156.94 = 3,860.96/x
3. Step 3: Cross multiply
   10,100.42x = 15,156.94 × 3,860.96
4. Step 4: Simplify right side
   10,100.42x = 58,520,339.06
5. Step 5: Solve for x
   x = 58,520,339.06/10,100.42
6. Step 6: Final answer
   x = 5,793.85