Finding the Fourth Proportional to 2,790,456.50, 3,850,594.26 and 1,688,298.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790,456.50 : 3,850,594.26 = 1,688,298.55 : x
2. Step 2: Convert to fraction form
   2,790,456.50/3,850,594.26 = 1,688,298.55/x
3. Step 3: Cross multiply
   2,790,456.50x = 3,850,594.26 × 1,688,298.55
4. Step 4: Simplify right side
   2,790,456.50x = 6,500,952,705,796.32
5. Step 5: Solve for x
   x = 6,500,952,705,796.32/2,790,456.50
6. Step 6: Final answer
   x = 2,329,709.39