Finding the Fourth Proportional to 10,435.82, 15,654.45 and 3,861.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,435.82 : 15,654.45 = 3,861.86 : x
2. Step 2: Convert to fraction form
   10,435.82/15,654.45 = 3,861.86/x
3. Step 3: Cross multiply
   10,435.82x = 15,654.45 × 3,861.86
4. Step 4: Simplify right side
   10,435.82x = 60,455,294.28
5. Step 5: Solve for x
   x = 60,455,294.28/10,435.82
6. Step 6: Final answer
   x = 5,793.06