Finding the Fourth Proportional to 3,171,870.38, 4,377,185.93 and 1,721,566.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,870.38 : 4,377,185.93 = 1,721,566.34 : x
2. Step 2: Convert to fraction form
   3,171,870.38/4,377,185.93 = 1,721,566.34/x
3. Step 3: Cross multiply
   3,171,870.38x = 4,377,185.93 × 1,721,566.34
4. Step 4: Simplify right side
   3,171,870.38x = 7,535,615,952,401.77
5. Step 5: Solve for x
   x = 7,535,615,952,401.77/3,171,870.38
6. Step 6: Final answer
   x = 2,375,764.16