Finding the Fourth Proportional to 2,339,942.72, 3,510,128.28 and 657,034.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339,942.72 : 3,510,128.28 = 657,034.88 : x
2. Step 2: Convert to fraction form
   2,339,942.72/3,510,128.28 = 657,034.88/x
3. Step 3: Cross multiply
   2,339,942.72x = 3,510,128.28 × 657,034.88
4. Step 4: Simplify right side
   2,339,942.72x = 2,306,276,713,234.41
5. Step 5: Solve for x
   x = 2,306,276,713,234.41/2,339,942.72
6. Step 6: Final answer
   x = 985,612.47