Finding the Fourth Proportional to 12,796.78, 19,193.82 and 3,437.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,796.78 : 19,193.82 = 3,437.78 : x
2. Step 2: Convert to fraction form
   12,796.78/19,193.82 = 3,437.78/x
3. Step 3: Cross multiply
   12,796.78x = 19,193.82 × 3,437.78
4. Step 4: Simplify right side
   12,796.78x = 65,984,130.52
5. Step 5: Solve for x
   x = 65,984,130.52/12,796.78
6. Step 6: Final answer
   x = 5,156.31