Finding the Fourth Proportional to 10,142.54, 15,215.02 and 3,901.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142.54 : 15,215.02 = 3,901.10 : x
2. Step 2: Convert to fraction form
   10,142.54/15,215.02 = 3,901.10/x
3. Step 3: Cross multiply
   10,142.54x = 15,215.02 × 3,901.10
4. Step 4: Simplify right side
   10,142.54x = 59,355,314.52
5. Step 5: Solve for x
   x = 59,355,314.52/10,142.54
6. Step 6: Final answer
   x = 5,852.12