Finding the Fourth Proportional to 50,075.14, 69,103.74 and 31,212.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50,075.14 : 69,103.74 = 31,212.28 : x
2. Step 2: Convert to fraction form
   50,075.14/69,103.74 = 31,212.28/x
3. Step 3: Cross multiply
   50,075.14x = 69,103.74 × 31,212.28
4. Step 4: Simplify right side
   50,075.14x = 2,156,885,281.93
5. Step 5: Solve for x
   x = 2,156,885,281.93/50,075.14
6. Step 6: Final answer
   x = 43,072.98