Finding the Fourth Proportional to 9,054.72, 12,495.76 and 5,075.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,054.72 : 12,495.76 = 5,075.76 : x
2. Step 2: Convert to fraction form
   9,054.72/12,495.76 = 5,075.76/x
3. Step 3: Cross multiply
   9,054.72x = 12,495.76 × 5,075.76
4. Step 4: Simplify right side
   9,054.72x = 63,425,478.78
5. Step 5: Solve for x
   x = 63,425,478.78/9,054.72
6. Step 6: Final answer
   x = 7,004.69