Finding the Fourth Proportional to 10,141.53, 15,213.51 and 3,900.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.53 : 15,213.51 = 3,900.09 : x
2. Step 2: Convert to fraction form
   10,141.53/15,213.51 = 3,900.09/x
3. Step 3: Cross multiply
   10,141.53x = 15,213.51 × 3,900.09
4. Step 4: Simplify right side
   10,141.53x = 59,334,058.22
5. Step 5: Solve for x
   x = 59,334,058.22/10,141.53
6. Step 6: Final answer
   x = 5,850.60