Finding the Fourth Proportional to 9,956.03, 13,739.67 and 5,707.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.03 : 13,739.67 = 5,707.89 : x
2. Step 2: Convert to fraction form
   9,956.03/13,739.67 = 5,707.89/x
3. Step 3: Cross multiply
   9,956.03x = 13,739.67 × 5,707.89
4. Step 4: Simplify right side
   9,956.03x = 78,424,525.00
5. Step 5: Solve for x
   x = 78,424,525.00/9,956.03
6. Step 6: Final answer
   x = 7,877.09