Finding the Fourth Proportional to 9,391.95, 12,955.33 and 5,854.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391.95 : 12,955.33 = 5,854.47 : x
2. Step 2: Convert to fraction form
   9,391.95/12,955.33 = 5,854.47/x
3. Step 3: Cross multiply
   9,391.95x = 12,955.33 × 5,854.47
4. Step 4: Simplify right side
   9,391.95x = 75,846,561.55
5. Step 5: Solve for x
   x = 75,846,561.55/9,391.95
6. Step 6: Final answer
   x = 8,075.70