Finding the Fourth Proportional to 35,787.89, 49,388.52 and 19,872.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,787.89 : 49,388.52 = 19,872.60 : x
2. Step 2: Convert to fraction form
   35,787.89/49,388.52 = 19,872.60/x
3. Step 3: Cross multiply
   35,787.89x = 49,388.52 × 19,872.60
4. Step 4: Simplify right side
   35,787.89x = 981,478,302.55
5. Step 5: Solve for x
   x = 981,478,302.55/35,787.89
6. Step 6: Final answer
   x = 27,424.88