Finding the Fourth Proportional to 35,896.59, 49,537.58 and 21,739.59

Step by Step Solution

1. Step 1: Write the proportion equation
   35,896.59 : 49,537.58 = 21,739.59 : x
2. Step 2: Convert to fraction form
   35,896.59/49,537.58 = 21,739.59/x
3. Step 3: Cross multiply
   35,896.59x = 49,537.58 × 21,739.59
4. Step 4: Simplify right side
   35,896.59x = 1,076,926,570.09
5. Step 5: Solve for x
   x = 1,076,926,570.09/35,896.59
6. Step 6: Final answer
   x = 30,000.80