Finding the Fourth Proportional to 1,396.35, 1,923.72 and 975.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.35 : 1,923.72 = 975.96 : x
2. Step 2: Convert to fraction form
   1,396.35/1,923.72 = 975.96/x
3. Step 3: Cross multiply
   1,396.35x = 1,923.72 × 975.96
4. Step 4: Simplify right side
   1,396.35x = 1,877,473.77
5. Step 5: Solve for x
   x = 1,877,473.77/1,396.35
6. Step 6: Final answer
   x = 1,344.56