Finding the Fourth Proportional to 35,535.98, 49,039.31 and 19,620.09

Step by Step Solution

1. Step 1: Write the proportion equation
   35,535.98 : 49,039.31 = 19,620.09 : x
2. Step 2: Convert to fraction form
   35,535.98/49,039.31 = 19,620.09/x
3. Step 3: Cross multiply
   35,535.98x = 49,039.31 × 19,620.09
4. Step 4: Simplify right side
   35,535.98x = 962,155,724.79
5. Step 5: Solve for x
   x = 962,155,724.79/35,535.98
6. Step 6: Final answer
   x = 27,075.53