Finding the Fourth Proportional to 16,772.18, 25,158.87 and 5,085.09

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772.18 : 25,158.87 = 5,085.09 : x
2. Step 2: Convert to fraction form
   16,772.18/25,158.87 = 5,085.09/x
3. Step 3: Cross multiply
   16,772.18x = 25,158.87 × 5,085.09
4. Step 4: Simplify right side
   16,772.18x = 127,935,118.25
5. Step 5: Solve for x
   x = 127,935,118.25/16,772.18
6. Step 6: Final answer
   x = 7,627.82