Finding the Fourth Proportional to 11,761.93, 17,638.98 and 3,442.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,761.93 : 17,638.98 = 3,442.42 : x
2. Step 2: Convert to fraction form
   11,761.93/17,638.98 = 3,442.42/x
3. Step 3: Cross multiply
   11,761.93x = 17,638.98 × 3,442.42
4. Step 4: Simplify right side
   11,761.93x = 60,720,777.53
5. Step 5: Solve for x
   x = 60,720,777.53/11,761.93
6. Step 6: Final answer
   x = 5,162.48