Finding the Fourth Proportional to 35,906.48, 49,552.91 and 19,990.58

Step by Step Solution

1. Step 1: Write the proportion equation
   35,906.48 : 49,552.91 = 19,990.58 : x
2. Step 2: Convert to fraction form
   35,906.48/49,552.91 = 19,990.58/x
3. Step 3: Cross multiply
   35,906.48x = 49,552.91 × 19,990.58
4. Step 4: Simplify right side
   35,906.48x = 990,591,411.59
5. Step 5: Solve for x
   x = 990,591,411.59/35,906.48
6. Step 6: Final answer
   x = 27,588.10