Finding the Fourth Proportional to 7,105.31, 10,654.69 and 2,173.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.31 : 10,654.69 = 2,173.89 : x
2. Step 2: Convert to fraction form
   7,105.31/10,654.69 = 2,173.89/x
3. Step 3: Cross multiply
   7,105.31x = 10,654.69 × 2,173.89
4. Step 4: Simplify right side
   7,105.31x = 23,162,124.04
5. Step 5: Solve for x
   x = 23,162,124.04/7,105.31
6. Step 6: Final answer
   x = 3,259.83