Finding the Fourth Proportional to 9,054.35, 12,495.60 and 5,075.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.35 : 12,495.60 = 5,075.72 : x
2. Step 2: Convert to fraction form
   9,054.35/12,495.60 = 5,075.72/x
3. Step 3: Cross multiply
   9,054.35x = 12,495.60 × 5,075.72
4. Step 4: Simplify right side
   9,054.35x = 63,424,078.98
5. Step 5: Solve for x
   x = 63,424,078.98/9,054.35
6. Step 6: Final answer
   x = 7,004.82