Finding the Fourth Proportional to 35,786.55, 49,384.49 and 19,870.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,786.55 : 49,384.49 = 19,870.59 : x
2. Step 2: Convert to fraction form
   35,786.55/49,384.49 = 19,870.59/x
3. Step 3: Cross multiply
   35,786.55x = 49,384.49 × 19,870.59
4. Step 4: Simplify right side
   35,786.55x = 981,298,953.15
5. Step 5: Solve for x
   x = 981,298,953.15/35,786.55
6. Step 6: Final answer
   x = 27,420.89