Finding the Fourth Proportional to 18,773.01, 25,912.52 and 10,820.53

Step by Step Solution

1. Step 1: Write the proportion equation
   18,773.01 : 25,912.52 = 10,820.53 : x
2. Step 2: Convert to fraction form
   18,773.01/25,912.52 = 10,820.53/x
3. Step 3: Cross multiply
   18,773.01x = 25,912.52 × 10,820.53
4. Step 4: Simplify right side
   18,773.01x = 280,387,016.37
5. Step 5: Solve for x
   x = 280,387,016.37/18,773.01
6. Step 6: Final answer
   x = 14,935.65