Finding the Fourth Proportional to 82,131.54, 123,196.23 and 19,801.54

Step by Step Solution

1. Step 1: Write the proportion equation
   82,131.54 : 123,196.23 = 19,801.54 : x
2. Step 2: Convert to fraction form
   82,131.54/123,196.23 = 19,801.54/x
3. Step 3: Cross multiply
   82,131.54x = 123,196.23 × 19,801.54
4. Step 4: Simplify right side
   82,131.54x = 2,439,475,076.19
5. Step 5: Solve for x
   x = 2,439,475,076.19/82,131.54
6. Step 6: Final answer
   x = 29,702.05