Finding the Fourth Proportional to 10,262.31, 14,155.24 and 7,075.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,262.31 : 14,155.24 = 7,075.74 : x
2. Step 2: Convert to fraction form
   10,262.31/14,155.24 = 7,075.74/x
3. Step 3: Cross multiply
   10,262.31x = 14,155.24 × 7,075.74
4. Step 4: Simplify right side
   10,262.31x = 100,158,797.88
5. Step 5: Solve for x
   x = 100,158,797.88/10,262.31
6. Step 6: Final answer
   x = 9,759.87