Finding the Fourth Proportional to 12,942.48, 19,415.52 and 4,174.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942.48 : 19,415.52 = 4,174.56 : x
2. Step 2: Convert to fraction form
   12,942.48/19,415.52 = 4,174.56/x
3. Step 3: Cross multiply
   12,942.48x = 19,415.52 × 4,174.56
4. Step 4: Simplify right side
   12,942.48x = 81,051,253.17
5. Step 5: Solve for x
   x = 81,051,253.17/12,942.48
6. Step 6: Final answer
   x = 6,262.42