Finding the Fourth Proportional to 35,654.87, 49,188.27 and 21,499.85

Step by Step Solution

1. Step 1: Write the proportion equation
   35,654.87 : 49,188.27 = 21,499.85 : x
2. Step 2: Convert to fraction form
   35,654.87/49,188.27 = 21,499.85/x
3. Step 3: Cross multiply
   35,654.87x = 49,188.27 × 21,499.85
4. Step 4: Simplify right side
   35,654.87x = 1,057,540,426.76
5. Step 5: Solve for x
   x = 1,057,540,426.76/35,654.87
6. Step 6: Final answer
   x = 29,660.48