Finding the Fourth Proportional to 583,451,456.28, 875,178,666.72 and 238,405,083.72

Step by Step Solution

1. Step 1: Write the proportion equation
   583,451,456.28 : 875,178,666.72 = 238,405,083.72 : x
2. Step 2: Convert to fraction form
   583,451,456.28/875,178,666.72 = 238,405,083.72/x
3. Step 3: Cross multiply
   583,451,456.28x = 875,178,666.72 × 238,405,083.72
4. Step 4: Simplify right side
   583,451,456.28x = 208,647,043,309,339,584
5. Step 5: Solve for x
   x = 208,647,043,309,339,584/583,451,456.28
6. Step 6: Final answer
   x = 357,608,231.27