Finding the Fourth Proportional to 13,942.01, 19,239.72 and 7,654.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,942.01 : 19,239.72 = 7,654.34 : x
2. Step 2: Convert to fraction form
   13,942.01/19,239.72 = 7,654.34/x
3. Step 3: Cross multiply
   13,942.01x = 19,239.72 × 7,654.34
4. Step 4: Simplify right side
   13,942.01x = 147,267,358.38
5. Step 5: Solve for x
   x = 147,267,358.38/13,942.01
6. Step 6: Final answer
   x = 10,562.85