Finding the Fourth Proportional to 10,103.34, 15,156.66 and 3,440.43

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103.34 : 15,156.66 = 3,440.43 : x
2. Step 2: Convert to fraction form
   10,103.34/15,156.66 = 3,440.43/x
3. Step 3: Cross multiply
   10,103.34x = 15,156.66 × 3,440.43
4. Step 4: Simplify right side
   10,103.34x = 52,145,427.76
5. Step 5: Solve for x
   x = 52,145,427.76/10,103.34
6. Step 6: Final answer
   x = 5,161.21