Finding the Fourth Proportional to 35,565.36, 49,081.61 and 20,458.01

Step by Step Solution

1. Step 1: Write the proportion equation
   35,565.36 : 49,081.61 = 20,458.01 : x
2. Step 2: Convert to fraction form
   35,565.36/49,081.61 = 20,458.01/x
3. Step 3: Cross multiply
   35,565.36x = 49,081.61 × 20,458.01
4. Step 4: Simplify right side
   35,565.36x = 1,004,111,873.93
5. Step 5: Solve for x
   x = 1,004,111,873.93/35,565.36
6. Step 6: Final answer
   x = 28,232.86