Finding the Fourth Proportional to 11,776.85, 17,641.42 and 5,442.73

Step by Step Solution

1. Step 1: Write the proportion equation
   11,776.85 : 17,641.42 = 5,442.73 : x
2. Step 2: Convert to fraction form
   11,776.85/17,641.42 = 5,442.73/x
3. Step 3: Cross multiply
   11,776.85x = 17,641.42 × 5,442.73
4. Step 4: Simplify right side
   11,776.85x = 96,017,428.17
5. Step 5: Solve for x
   x = 96,017,428.17/11,776.85
6. Step 6: Final answer
   x = 8,153.07