Finding the Fourth Proportional to 10,886.72, 15,032.15 and 8,364.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.72 : 15,032.15 = 8,364.83 : x
2. Step 2: Convert to fraction form
   10,886.72/15,032.15 = 8,364.83/x
3. Step 3: Cross multiply
   10,886.72x = 15,032.15 × 8,364.83
4. Step 4: Simplify right side
   10,886.72x = 125,741,379.28
5. Step 5: Solve for x
   x = 125,741,379.28/10,886.72
6. Step 6: Final answer
   x = 11,549.98