Finding the Fourth Proportional to 35,561.08, 49,072.31 and 22,131.91

Step by Step Solution

1. Step 1: Write the proportion equation
   35,561.08 : 49,072.31 = 22,131.91 : x
2. Step 2: Convert to fraction form
   35,561.08/49,072.31 = 22,131.91/x
3. Step 3: Cross multiply
   35,561.08x = 49,072.31 × 22,131.91
4. Step 4: Simplify right side
   35,561.08x = 1,086,063,703.05
5. Step 5: Solve for x
   x = 1,086,063,703.05/35,561.08
6. Step 6: Final answer
   x = 30,540.80