Finding the Fourth Proportional to 2,819,401.76, 3,889,004.28 and 1,672,670

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819,401.76 : 3,889,004.28 = 1,672,670 : x
2. Step 2: Convert to fraction form
   2,819,401.76/3,889,004.28 = 1,672,670/x
3. Step 3: Cross multiply
   2,819,401.76x = 3,889,004.28 × 1,672,670
4. Step 4: Simplify right side
   2,819,401.76x = 6,505,020,789,027.60
5. Step 5: Solve for x
   x = 6,505,020,789,027.60/2,819,401.76
6. Step 6: Final answer
   x = 2,307,234.42