Finding the Fourth Proportional to 31,648.62, 43,683.72 and 19,704.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,648.62 : 43,683.72 = 19,704.96 : x
2. Step 2: Convert to fraction form
   31,648.62/43,683.72 = 19,704.96/x
3. Step 3: Cross multiply
   31,648.62x = 43,683.72 × 19,704.96
4. Step 4: Simplify right side
   31,648.62x = 860,785,955.25
5. Step 5: Solve for x
   x = 860,785,955.25/31,648.62
6. Step 6: Final answer
   x = 27,198.21