Finding the Fourth Proportional to 2,638,147.92, 3,956,624.10 and 1,339,984.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,147.92 : 3,956,624.10 = 1,339,984.41 : x
2. Step 2: Convert to fraction form
   2,638,147.92/3,956,624.10 = 1,339,984.41/x
3. Step 3: Cross multiply
   2,638,147.92x = 3,956,624.10 × 1,339,984.41
4. Step 4: Simplify right side
   2,638,147.92x = 5,301,814,610,230.28
5. Step 5: Solve for x
   x = 5,301,814,610,230.28/2,638,147.92
6. Step 6: Final answer
   x = 2,009,672.99