Finding the Fourth Proportional to 12,801.58, 19,202.31 and 5,404.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,801.58 : 19,202.31 = 5,404.06 : x
2. Step 2: Convert to fraction form
   12,801.58/19,202.31 = 5,404.06/x
3. Step 3: Cross multiply
   12,801.58x = 19,202.31 × 5,404.06
4. Step 4: Simplify right side
   12,801.58x = 103,770,435.38
5. Step 5: Solve for x
   x = 103,770,435.38/12,801.58
6. Step 6: Final answer
   x = 8,106.06