Finding the Fourth Proportional to 228,968.22, 341,784.56 and 212,083.82

Step by Step Solution

1. Step 1: Write the proportion equation
   228,968.22 : 341,784.56 = 212,083.82 : x
2. Step 2: Convert to fraction form
   228,968.22/341,784.56 = 212,083.82/x
3. Step 3: Cross multiply
   228,968.22x = 341,784.56 × 212,083.82
4. Step 4: Simplify right side
   228,968.22x = 72,486,975,101.82
5. Step 5: Solve for x
   x = 72,486,975,101.82/228,968.22
6. Step 6: Final answer
   x = 316,580.94