Finding the Fourth Proportional to 10,201.48, 14,078.58 and 5,725

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.48 : 14,078.58 = 5,725 : x
2. Step 2: Convert to fraction form
   10,201.48/14,078.58 = 5,725/x
3. Step 3: Cross multiply
   10,201.48x = 14,078.58 × 5,725
4. Step 4: Simplify right side
   10,201.48x = 80,599,870.50
5. Step 5: Solve for x
   x = 80,599,870.50/10,201.48
6. Step 6: Final answer
   x = 7,900.80