Finding the Fourth Proportional to 11,942.72, 17,902.40 and 5,370.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,942.72 : 17,902.40 = 5,370.56 : x
2. Step 2: Convert to fraction form
   11,942.72/17,902.40 = 5,370.56/x
3. Step 3: Cross multiply
   11,942.72x = 17,902.40 × 5,370.56
4. Step 4: Simplify right side
   11,942.72x = 96,145,913.34
5. Step 5: Solve for x
   x = 96,145,913.34/11,942.72
6. Step 6: Final answer
   x = 8,050.59