Finding the Fourth Proportional to 10,100.67, 15,157.32 and 3,861.21

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.67 : 15,157.32 = 3,861.21 : x
2. Step 2: Convert to fraction form
   10,100.67/15,157.32 = 3,861.21/x
3. Step 3: Cross multiply
   10,100.67x = 15,157.32 × 3,861.21
4. Step 4: Simplify right side
   10,100.67x = 58,525,576.25
5. Step 5: Solve for x
   x = 58,525,576.25/10,100.67
6. Step 6: Final answer
   x = 5,794.23