Finding the Fourth Proportional to 9,381.89, 12,944.88 and 5,604.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,381.89 : 12,944.88 = 5,604.46 : x
2. Step 2: Convert to fraction form
   9,381.89/12,944.88 = 5,604.46/x
3. Step 3: Cross multiply
   9,381.89x = 12,944.88 × 5,604.46
4. Step 4: Simplify right side
   9,381.89x = 72,549,029.80
5. Step 5: Solve for x
   x = 72,549,029.80/9,381.89
6. Step 6: Final answer
   x = 7,732.88