Finding the Fourth Proportional to 383,068.71, 574,410.83 and 223,196.31

Step by Step Solution

1. Step 1: Write the proportion equation
   383,068.71 : 574,410.83 = 223,196.31 : x
2. Step 2: Convert to fraction form
   383,068.71/574,410.83 = 223,196.31/x
3. Step 3: Cross multiply
   383,068.71x = 574,410.83 × 223,196.31
4. Step 4: Simplify right side
   383,068.71x = 128,206,376,564.06
5. Step 5: Solve for x
   x = 128,206,376,564.06/383,068.71
6. Step 6: Final answer
   x = 334,682.46