Finding the Fourth Proportional to 9,368.58, 12,930.24 and 5,591.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368.58 : 12,930.24 = 5,591.94 : x
2. Step 2: Convert to fraction form
   9,368.58/12,930.24 = 5,591.94/x
3. Step 3: Cross multiply
   9,368.58x = 12,930.24 × 5,591.94
4. Step 4: Simplify right side
   9,368.58x = 72,305,126.27
5. Step 5: Solve for x
   x = 72,305,126.27/9,368.58
6. Step 6: Final answer
   x = 7,717.83