Finding the Fourth Proportional to 9,152, 12,629.87 and 5,375.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,152 : 12,629.87 = 5,375.22 : x
2. Step 2: Convert to fraction form
   9,152/12,629.87 = 5,375.22/x
3. Step 3: Cross multiply
   9,152x = 12,629.87 × 5,375.22
4. Step 4: Simplify right side
   9,152x = 67,888,329.82
5. Step 5: Solve for x
   x = 67,888,329.82/9,152
6. Step 6: Final answer
   x = 7,417.87