Finding the Fourth Proportional to 72,075.44, 108,106.56 and 51,105.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,075.44 : 108,106.56 = 51,105.44 : x
2. Step 2: Convert to fraction form
   72,075.44/108,106.56 = 51,105.44/x
3. Step 3: Cross multiply
   72,075.44x = 108,106.56 × 51,105.44
4. Step 4: Simplify right side
   72,075.44x = 5,524,833,315.69
5. Step 5: Solve for x
   x = 5,524,833,315.69/72,075.44
6. Step 6: Final answer
   x = 76,653.48