Finding the Fourth Proportional to 567,500.37, 783,156.56 and 312,860.67

Step by Step Solution

1. Step 1: Write the proportion equation
   567,500.37 : 783,156.56 = 312,860.67 : x
2. Step 2: Convert to fraction form
   567,500.37/783,156.56 = 312,860.67/x
3. Step 3: Cross multiply
   567,500.37x = 783,156.56 × 312,860.67
4. Step 4: Simplify right side
   567,500.37x = 245,018,886,076.50
5. Step 5: Solve for x
   x = 245,018,886,076.50/567,500.37
6. Step 6: Final answer
   x = 431,751.06