Finding the Fourth Proportional to 35,559.18, 49,071.69 and 19,644.30

Step by Step Solution

1. Step 1: Write the proportion equation
   35,559.18 : 49,071.69 = 19,644.30 : x
2. Step 2: Convert to fraction form
   35,559.18/49,071.69 = 19,644.30/x
3. Step 3: Cross multiply
   35,559.18x = 49,071.69 × 19,644.30
4. Step 4: Simplify right side
   35,559.18x = 963,978,999.87
5. Step 5: Solve for x
   x = 963,978,999.87/35,559.18
6. Step 6: Final answer
   x = 27,109.15