Finding the Fourth Proportional to 35,787.55, 49,385.87 and 19,871.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,787.55 : 49,385.87 = 19,871.59 : x
2. Step 2: Convert to fraction form
   35,787.55/49,385.87 = 19,871.59/x
3. Step 3: Cross multiply
   35,787.55x = 49,385.87 × 19,871.59
4. Step 4: Simplify right side
   35,787.55x = 981,375,760.43
5. Step 5: Solve for x
   x = 981,375,760.43/35,787.55
6. Step 6: Final answer
   x = 27,422.27