Finding the Fourth Proportional to 9,375.73, 12,938.52 and 5,396.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.73 : 12,938.52 = 5,396.77 : x
2. Step 2: Convert to fraction form
   9,375.73/12,938.52 = 5,396.77/x
3. Step 3: Cross multiply
   9,375.73x = 12,938.52 × 5,396.77
4. Step 4: Simplify right side
   9,375.73x = 69,826,216.58
5. Step 5: Solve for x
   x = 69,826,216.58/9,375.73
6. Step 6: Final answer
   x = 7,447.55