Finding the Fourth Proportional to 231,942.78, 347,804.52 and 89,854.62

Step by Step Solution

1. Step 1: Write the proportion equation
   231,942.78 : 347,804.52 = 89,854.62 : x
2. Step 2: Convert to fraction form
   231,942.78/347,804.52 = 89,854.62/x
3. Step 3: Cross multiply
   231,942.78x = 347,804.52 × 89,854.62
4. Step 4: Simplify right side
   231,942.78x = 31,251,842,978.88
5. Step 5: Solve for x
   x = 31,251,842,978.88/231,942.78
6. Step 6: Final answer
   x = 134,739.45