Finding the Fourth Proportional to 35,785.24, 49,385.17 and 19,869.69

Step by Step Solution

1. Step 1: Write the proportion equation
   35,785.24 : 49,385.17 = 19,869.69 : x
2. Step 2: Convert to fraction form
   35,785.24/49,385.17 = 19,869.69/x
3. Step 3: Cross multiply
   35,785.24x = 49,385.17 × 19,869.69
4. Step 4: Simplify right side
   35,785.24x = 981,268,018.50
5. Step 5: Solve for x
   x = 981,268,018.50/35,785.24
6. Step 6: Final answer
   x = 27,421.03