Finding the Fourth Proportional to 9,955.78, 13,734.38 and 5,969.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,955.78 : 13,734.38 = 5,969.98 : x
2. Step 2: Convert to fraction form
   9,955.78/13,734.38 = 5,969.98/x
3. Step 3: Cross multiply
   9,955.78x = 13,734.38 × 5,969.98
4. Step 4: Simplify right side
   9,955.78x = 81,993,973.91
5. Step 5: Solve for x
   x = 81,993,973.91/9,955.78
6. Step 6: Final answer
   x = 8,235.82