Finding the Fourth Proportional to 10,326.96, 15,484.95 and 4,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,326.96 : 15,484.95 = 4,086.72 : x
2. Step 2: Convert to fraction form
   10,326.96/15,484.95 = 4,086.72/x
3. Step 3: Cross multiply
   10,326.96x = 15,484.95 × 4,086.72
4. Step 4: Simplify right side
   10,326.96x = 63,282,654.86
5. Step 5: Solve for x
   x = 63,282,654.86/10,326.96
6. Step 6: Final answer
   x = 6,127.91