Finding the Fourth Proportional to 9,075.94, 13,604.30 and 5,171.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,075.94 : 13,604.30 = 5,171.98 : x
2. Step 2: Convert to fraction form
   9,075.94/13,604.30 = 5,171.98/x
3. Step 3: Cross multiply
   9,075.94x = 13,604.30 × 5,171.98
4. Step 4: Simplify right side
   9,075.94x = 70,361,167.51
5. Step 5: Solve for x
   x = 70,361,167.51/9,075.94
6. Step 6: Final answer
   x = 7,752.49