Finding the Fourth Proportional to 35,906.20, 49,549.86 and 19,990.96

Step by Step Solution

1. Step 1: Write the proportion equation
   35,906.20 : 49,549.86 = 19,990.96 : x
2. Step 2: Convert to fraction form
   35,906.20/49,549.86 = 19,990.96/x
3. Step 3: Cross multiply
   35,906.20x = 49,549.86 × 19,990.96
4. Step 4: Simplify right side
   35,906.20x = 990,549,269.27
5. Step 5: Solve for x
   x = 990,549,269.27/35,906.20
6. Step 6: Final answer
   x = 27,587.14