Finding the Fourth Proportional to 35,789.71, 49,391.85 and 19,875.19

Step by Step Solution

1. Step 1: Write the proportion equation
   35,789.71 : 49,391.85 = 19,875.19 : x
2. Step 2: Convert to fraction form
   35,789.71/49,391.85 = 19,875.19/x
3. Step 3: Cross multiply
   35,789.71x = 49,391.85 × 19,875.19
4. Step 4: Simplify right side
   35,789.71x = 981,672,403.20
5. Step 5: Solve for x
   x = 981,672,403.20/35,789.71
6. Step 6: Final answer
   x = 27,428.90