Finding the Fourth Proportional to 3,171,987.98, 4,377,347.83 and 1,721,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,171,987.98 : 4,377,347.83 = 1,721,683.72 : x
2. Step 2: Convert to fraction form
   3,171,987.98/4,377,347.83 = 1,721,683.72/x
3. Step 3: Cross multiply
   3,171,987.98x = 4,377,347.83 × 1,721,683.72
4. Step 4: Simplify right side
   3,171,987.98x = 7,536,408,495,688.33
5. Step 5: Solve for x
   x = 7,536,408,495,688.33/3,171,987.98
6. Step 6: Final answer
   x = 2,375,925.93