Finding the Fourth Proportional to 19,422.78, 29,112.13 and 17,078.25

Step by Step Solution

1. Step 1: Write the proportion equation
   19,422.78 : 29,112.13 = 17,078.25 : x
2. Step 2: Convert to fraction form
   19,422.78/29,112.13 = 17,078.25/x
3. Step 3: Cross multiply
   19,422.78x = 29,112.13 × 17,078.25
4. Step 4: Simplify right side
   19,422.78x = 497,184,234.17
5. Step 5: Solve for x
   x = 497,184,234.17/19,422.78
6. Step 6: Final answer
   x = 25,598.00