Finding the Fourth Proportional to 2,311,339.96, 3,189,631.80 and 1,292,744.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311,339.96 : 3,189,631.80 = 1,292,744.72 : x
2. Step 2: Convert to fraction form
   2,311,339.96/3,189,631.80 = 1,292,744.72/x
3. Step 3: Cross multiply
   2,311,339.96x = 3,189,631.80 × 1,292,744.72
4. Step 4: Simplify right side
   2,311,339.96x = 4,123,379,668,194.10
5. Step 5: Solve for x
   x = 4,123,379,668,194.10/2,311,339.96
6. Step 6: Final answer
   x = 1,783,978.01