Finding the Fourth Proportional to 3,171,874.98, 4,377,190.71 and 1,721,570.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,874.98 : 4,377,190.71 = 1,721,570.72 : x
2. Step 2: Convert to fraction form
   3,171,874.98/4,377,190.71 = 1,721,570.72/x
3. Step 3: Cross multiply
   3,171,874.98x = 4,377,190.71 × 1,721,570.72
4. Step 4: Simplify right side
   3,171,874.98x = 7,535,643,353,584.16
5. Step 5: Solve for x
   x = 7,535,643,353,584.16/3,171,874.98
6. Step 6: Final answer
   x = 2,375,769.35