Finding the Fourth Proportional to 7,103.86, 10,655.40 and 2,173.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,103.86 : 10,655.40 = 2,173.50 : x
2. Step 2: Convert to fraction form
   7,103.86/10,655.40 = 2,173.50/x
3. Step 3: Cross multiply
   7,103.86x = 10,655.40 × 2,173.50
4. Step 4: Simplify right side
   7,103.86x = 23,159,458.62
5. Step 5: Solve for x
   x = 23,159,458.62/7,103.86
6. Step 6: Final answer
   x = 3,260.12