Finding the Fourth Proportional to 35,787.36, 49,384.98 and 19,870.56

Step by Step Solution

1. Step 1: Write the proportion equation
   35,787.36 : 49,384.98 = 19,870.56 : x
2. Step 2: Convert to fraction form
   35,787.36/49,384.98 = 19,870.56/x
3. Step 3: Cross multiply
   35,787.36x = 49,384.98 × 19,870.56
4. Step 4: Simplify right side
   35,787.36x = 981,307,208.19
5. Step 5: Solve for x
   x = 981,307,208.19/35,787.36
6. Step 6: Final answer
   x = 27,420.50