Finding the Fourth Proportional to 387,499.52, 581,245.56 and 229,614.32

Step by Step Solution

1. Step 1: Write the proportion equation
   387,499.52 : 581,245.56 = 229,614.32 : x
2. Step 2: Convert to fraction form
   387,499.52/581,245.56 = 229,614.32/x
3. Step 3: Cross multiply
   387,499.52x = 581,245.56 × 229,614.32
4. Step 4: Simplify right side
   387,499.52x = 133,462,304,012.42
5. Step 5: Solve for x
   x = 133,462,304,012.42/387,499.52
6. Step 6: Final answer
   x = 344,419.28