Finding the Fourth Proportional to 274,018.06, 410,978.64 and 74,354.01

Step by Step Solution

1. Step 1: Write the proportion equation
   274,018.06 : 410,978.64 = 74,354.01 : x
2. Step 2: Convert to fraction form
   274,018.06/410,978.64 = 74,354.01/x
3. Step 3: Cross multiply
   274,018.06x = 410,978.64 × 74,354.01
4. Step 4: Simplify right side
   274,018.06x = 30,557,909,908.35
5. Step 5: Solve for x
   x = 30,557,909,908.35/274,018.06
6. Step 6: Final answer
   x = 111,517.87