Finding the Fourth Proportional to 67,969.35, 101,870.73 and 30,519.81

Step by Step Solution

1. Step 1: Write the proportion equation
   67,969.35 : 101,870.73 = 30,519.81 : x
2. Step 2: Convert to fraction form
   67,969.35/101,870.73 = 30,519.81/x
3. Step 3: Cross multiply
   67,969.35x = 101,870.73 × 30,519.81
4. Step 4: Simplify right side
   67,969.35x = 3,109,075,324.16
5. Step 5: Solve for x
   x = 3,109,075,324.16/67,969.35
6. Step 6: Final answer
   x = 45,742.31