Finding the Fourth Proportional to 11,763.76, 17,641.18 and 3,442.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,763.76 : 17,641.18 = 3,442.02 : x
2. Step 2: Convert to fraction form
   11,763.76/17,641.18 = 3,442.02/x
3. Step 3: Cross multiply
   11,763.76x = 17,641.18 × 3,442.02
4. Step 4: Simplify right side
   11,763.76x = 60,721,294.38
5. Step 5: Solve for x
   x = 60,721,294.38/11,763.76
6. Step 6: Final answer
   x = 5,161.73