Finding the Fourth Proportional to 356,661.83, 534,837.23 and 134,890.31

Step by Step Solution

1. Step 1: Write the proportion equation
   356,661.83 : 534,837.23 = 134,890.31 : x
2. Step 2: Convert to fraction form
   356,661.83/534,837.23 = 134,890.31/x
3. Step 3: Cross multiply
   356,661.83x = 534,837.23 × 134,890.31
4. Step 4: Simplify right side
   356,661.83x = 72,144,360,922.72
5. Step 5: Solve for x
   x = 72,144,360,922.72/356,661.83
6. Step 6: Final answer
   x = 202,276.65