Finding the Fourth Proportional to 14,603.99, 21,912.89 and 7,580.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,603.99 : 21,912.89 = 7,580.27 : x
2. Step 2: Convert to fraction form
   14,603.99/21,912.89 = 7,580.27/x
3. Step 3: Cross multiply
   14,603.99x = 21,912.89 × 7,580.27
4. Step 4: Simplify right side
   14,603.99x = 166,105,475.21
5. Step 5: Solve for x
   x = 166,105,475.21/14,603.99
6. Step 6: Final answer
   x = 11,373.98