Finding the Fourth Proportional to 16,800.57, 25,204.61 and 5,114.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,800.57 : 25,204.61 = 5,114.70 : x
2. Step 2: Convert to fraction form
   16,800.57/25,204.61 = 5,114.70/x
3. Step 3: Cross multiply
   16,800.57x = 25,204.61 × 5,114.70
4. Step 4: Simplify right side
   16,800.57x = 128,914,018.77
5. Step 5: Solve for x
   x = 128,914,018.77/16,800.57
6. Step 6: Final answer
   x = 7,673.19