Finding the Fourth Proportional to 11,429.96, 15,773.27 and 6,394.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.96 : 15,773.27 = 6,394.15 : x
2. Step 2: Convert to fraction form
   11,429.96/15,773.27 = 6,394.15/x
3. Step 3: Cross multiply
   11,429.96x = 15,773.27 × 6,394.15
4. Step 4: Simplify right side
   11,429.96x = 100,856,642.12
5. Step 5: Solve for x
   x = 100,856,642.12/11,429.96
6. Step 6: Final answer
   x = 8,823.89