Finding the Fourth Proportional to 57,402.82, 86,109.18 and 15,849.82

Step by Step Solution

1. Step 1: Write the proportion equation
   57,402.82 : 86,109.18 = 15,849.82 : x
2. Step 2: Convert to fraction form
   57,402.82/86,109.18 = 15,849.82/x
3. Step 3: Cross multiply
   57,402.82x = 86,109.18 × 15,849.82
4. Step 4: Simplify right side
   57,402.82x = 1,364,815,003.35
5. Step 5: Solve for x
   x = 1,364,815,003.35/57,402.82
6. Step 6: Final answer
   x = 23,776.10