Finding the Fourth Proportional to 356,768.15, 534,996.50 and 134,996.63

Step by Step Solution

1. Step 1: Write the proportion equation
   356,768.15 : 534,996.50 = 134,996.63 : x
2. Step 2: Convert to fraction form
   356,768.15/534,996.50 = 134,996.63/x
3. Step 3: Cross multiply
   356,768.15x = 534,996.50 × 134,996.63
4. Step 4: Simplify right side
   356,768.15x = 72,222,721,211.83
5. Step 5: Solve for x
   x = 72,222,721,211.83/356,768.15
6. Step 6: Final answer
   x = 202,436.01