Finding the Fourth Proportional to 10,725.57, 16,084.31 and 5,177.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,725.57 : 16,084.31 = 5,177.07 : x
2. Step 2: Convert to fraction form
   10,725.57/16,084.31 = 5,177.07/x
3. Step 3: Cross multiply
   10,725.57x = 16,084.31 × 5,177.07
4. Step 4: Simplify right side
   10,725.57x = 83,269,572.89
5. Step 5: Solve for x
   x = 83,269,572.89/10,725.57
6. Step 6: Final answer
   x = 7,763.65