Finding the Fourth Proportional to 427,123.13, 589,442.27 and 236,148.82

Step by Step Solution

1. Step 1: Write the proportion equation
   427,123.13 : 589,442.27 = 236,148.82 : x
2. Step 2: Convert to fraction form
   427,123.13/589,442.27 = 236,148.82/x
3. Step 3: Cross multiply
   427,123.13x = 589,442.27 × 236,148.82
4. Step 4: Simplify right side
   427,123.13x = 139,196,093,864.27
5. Step 5: Solve for x
   x = 139,196,093,864.27/427,123.13
6. Step 6: Final answer
   x = 325,892.20