Finding the Fourth Proportional to 10,157.78, 15,233.23 and 3,917.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,157.78 : 15,233.23 = 3,917.29 : x
2. Step 2: Convert to fraction form
   10,157.78/15,233.23 = 3,917.29/x
3. Step 3: Cross multiply
   10,157.78x = 15,233.23 × 3,917.29
4. Step 4: Simplify right side
   10,157.78x = 59,672,979.55
5. Step 5: Solve for x
   x = 59,672,979.55/10,157.78
6. Step 6: Final answer
   x = 5,874.61