Finding the Fourth Proportional to 50,145.46, 69,198.59 and 29,990.43

Step by Step Solution

1. Step 1: Write the proportion equation
   50,145.46 : 69,198.59 = 29,990.43 : x
2. Step 2: Convert to fraction form
   50,145.46/69,198.59 = 29,990.43/x
3. Step 3: Cross multiply
   50,145.46x = 69,198.59 × 29,990.43
4. Step 4: Simplify right side
   50,145.46x = 2,075,295,544.47
5. Step 5: Solve for x
   x = 2,075,295,544.47/50,145.46
6. Step 6: Final answer
   x = 41,385.51