Finding the Fourth Proportional to 9,954.50, 13,736.20 and 5,704.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,954.50 : 13,736.20 = 5,704.74 : x
2. Step 2: Convert to fraction form
   9,954.50/13,736.20 = 5,704.74/x
3. Step 3: Cross multiply
   9,954.50x = 13,736.20 × 5,704.74
4. Step 4: Simplify right side
   9,954.50x = 78,361,449.59
5. Step 5: Solve for x
   x = 78,361,449.59/9,954.50
6. Step 6: Final answer
   x = 7,871.96