Finding the Fourth Proportional to 13,974.56, 19,285.15 and 7,601.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,974.56 : 19,285.15 = 7,601.30 : x
2. Step 2: Convert to fraction form
   13,974.56/19,285.15 = 7,601.30/x
3. Step 3: Cross multiply
   13,974.56x = 19,285.15 × 7,601.30
4. Step 4: Simplify right side
   13,974.56x = 146,592,095.27
5. Step 5: Solve for x
   x = 146,592,095.27/13,974.56
6. Step 6: Final answer
   x = 10,489.92