Finding the Fourth Proportional to 35,659.38, 49,251.60 and 28,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   35,659.38 : 49,251.60 = 28,513.98 : x
2. Step 2: Convert to fraction form
   35,659.38/49,251.60 = 28,513.98/x
3. Step 3: Cross multiply
   35,659.38x = 49,251.60 × 28,513.98
4. Step 4: Simplify right side
   35,659.38x = 1,404,359,137.37
5. Step 5: Solve for x
   x = 1,404,359,137.37/35,659.38
6. Step 6: Final answer
   x = 39,382.60