Finding the Fourth Proportional to 9,970.48, 13,758.94 and 5,722.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,970.48 : 13,758.94 = 5,722.24 : x
2. Step 2: Convert to fraction form
   9,970.48/13,758.94 = 5,722.24/x
3. Step 3: Cross multiply
   9,970.48x = 13,758.94 × 5,722.24
4. Step 4: Simplify right side
   9,970.48x = 78,731,956.83
5. Step 5: Solve for x
   x = 78,731,956.83/9,970.48
6. Step 6: Final answer
   x = 7,896.51