Finding the Fourth Proportional to 10,164.56, 14,025.08 and 5,687.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,164.56 : 14,025.08 = 5,687.45 : x
2. Step 2: Convert to fraction form
   10,164.56/14,025.08 = 5,687.45/x
3. Step 3: Cross multiply
   10,164.56x = 14,025.08 × 5,687.45
4. Step 4: Simplify right side
   10,164.56x = 79,766,885.34
5. Step 5: Solve for x
   x = 79,766,885.34/10,164.56
6. Step 6: Final answer
   x = 7,847.55