Finding the Fourth Proportional to 35,751.39, 49,337.50 and 20,645.37

Step by Step Solution

1. Step 1: Write the proportion equation
   35,751.39 : 49,337.50 = 20,645.37 : x
2. Step 2: Convert to fraction form
   35,751.39/49,337.50 = 20,645.37/x
3. Step 3: Cross multiply
   35,751.39x = 49,337.50 × 20,645.37
4. Step 4: Simplify right side
   35,751.39x = 1,018,591,075.78
5. Step 5: Solve for x
   x = 1,018,591,075.78/35,751.39
6. Step 6: Final answer
   x = 28,490.95