Finding the Fourth Proportional to 17,103.34, 25,655.91 and 5,415.67

Step by Step Solution

1. Step 1: Write the proportion equation
   17,103.34 : 25,655.91 = 5,415.67 : x
2. Step 2: Convert to fraction form
   17,103.34/25,655.91 = 5,415.67/x
3. Step 3: Cross multiply
   17,103.34x = 25,655.91 × 5,415.67
4. Step 4: Simplify right side
   17,103.34x = 138,943,942.11
5. Step 5: Solve for x
   x = 138,943,942.11/17,103.34
6. Step 6: Final answer
   x = 8,123.79