Finding the Fourth Proportional to 35,561.30, 49,070.41 and 19,644.80

Step by Step Solution

1. Step 1: Write the proportion equation
   35,561.30 : 49,070.41 = 19,644.80 : x
2. Step 2: Convert to fraction form
   35,561.30/49,070.41 = 19,644.80/x
3. Step 3: Cross multiply
   35,561.30x = 49,070.41 × 19,644.80
4. Step 4: Simplify right side
   35,561.30x = 963,978,095.90
5. Step 5: Solve for x
   x = 963,978,095.90/35,561.30
6. Step 6: Final answer
   x = 27,107.51