Finding the Fourth Proportional to 25,945.76, 35,796.84 and 15,338.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,945.76 : 35,796.84 = 15,338.96 : x
2. Step 2: Convert to fraction form
   25,945.76/35,796.84 = 15,338.96/x
3. Step 3: Cross multiply
   25,945.76x = 35,796.84 × 15,338.96
4. Step 4: Simplify right side
   25,945.76x = 549,086,296.89
5. Step 5: Solve for x
   x = 549,086,296.89/25,945.76
6. Step 6: Final answer
   x = 21,162.85