Finding the Fourth Proportional to 9,580.81, 13,219.53 and 5,601.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,580.81 : 13,219.53 = 5,601.15 : x
2. Step 2: Convert to fraction form
   9,580.81/13,219.53 = 5,601.15/x
3. Step 3: Cross multiply
   9,580.81x = 13,219.53 × 5,601.15
4. Step 4: Simplify right side
   9,580.81x = 74,044,570.46
5. Step 5: Solve for x
   x = 74,044,570.46/9,580.81
6. Step 6: Final answer
   x = 7,728.42