Finding the Fourth Proportional to 16,761.42, 25,145.37 and 5,669.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,761.42 : 25,145.37 = 5,669.91 : x
2. Step 2: Convert to fraction form
   16,761.42/25,145.37 = 5,669.91/x
3. Step 3: Cross multiply
   16,761.42x = 25,145.37 × 5,669.91
4. Step 4: Simplify right side
   16,761.42x = 142,571,984.82
5. Step 5: Solve for x
   x = 142,571,984.82/16,761.42
6. Step 6: Final answer
   x = 8,505.96