Finding the Fourth Proportional to 80,047.98, 120,075.21 and 30,122.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,047.98 : 120,075.21 = 30,122.82 : x
2. Step 2: Convert to fraction form
   80,047.98/120,075.21 = 30,122.82/x
3. Step 3: Cross multiply
   80,047.98x = 120,075.21 × 30,122.82
4. Step 4: Simplify right side
   80,047.98x = 3,617,003,937.29
5. Step 5: Solve for x
   x = 3,617,003,937.29/80,047.98
6. Step 6: Final answer
   x = 45,185.45