Finding the Fourth Proportional to 428,141.34, 590,835.80 and 237,150.63

Step by Step Solution

1. Step 1: Write the proportion equation
   428,141.34 : 590,835.80 = 237,150.63 : x
2. Step 2: Convert to fraction form
   428,141.34/590,835.80 = 237,150.63/x
3. Step 3: Cross multiply
   428,141.34x = 590,835.80 × 237,150.63
4. Step 4: Simplify right side
   428,141.34x = 140,117,082,789.43
5. Step 5: Solve for x
   x = 140,117,082,789.43/428,141.34
6. Step 6: Final answer
   x = 327,268.29