Finding the Fourth Proportional to 10,201.89, 14,078.86 and 5,725.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.89 : 14,078.86 = 5,725.98 : x
2. Step 2: Convert to fraction form
   10,201.89/14,078.86 = 5,725.98/x
3. Step 3: Cross multiply
   10,201.89x = 14,078.86 × 5,725.98
4. Step 4: Simplify right side
   10,201.89x = 80,615,256.47
5. Step 5: Solve for x
   x = 80,615,256.47/10,201.89
6. Step 6: Final answer
   x = 7,901.99