Finding the Fourth Proportional to 16,890.31, 25,338.22 and 5,203.53

Step by Step Solution

1. Step 1: Write the proportion equation
   16,890.31 : 25,338.22 = 5,203.53 : x
2. Step 2: Convert to fraction form
   16,890.31/25,338.22 = 5,203.53/x
3. Step 3: Cross multiply
   16,890.31x = 25,338.22 × 5,203.53
4. Step 4: Simplify right side
   16,890.31x = 131,848,139.28
5. Step 5: Solve for x
   x = 131,848,139.28/16,890.31
6. Step 6: Final answer
   x = 7,806.14