Finding the Fourth Proportional to 9,391.02, 12,958.71 and 5,613.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391.02 : 12,958.71 = 5,613.44 : x
2. Step 2: Convert to fraction form
   9,391.02/12,958.71 = 5,613.44/x
3. Step 3: Cross multiply
   9,391.02x = 12,958.71 × 5,613.44
4. Step 4: Simplify right side
   9,391.02x = 72,742,876.27
5. Step 5: Solve for x
   x = 72,742,876.27/9,391.02
6. Step 6: Final answer
   x = 7,746.00