Finding the Fourth Proportional to 2,345,638.57, 3,236,939.94 and 1,299,038.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345,638.57 : 3,236,939.94 = 1,299,038.10 : x
2. Step 2: Convert to fraction form
   2,345,638.57/3,236,939.94 = 1,299,038.10/x
3. Step 3: Cross multiply
   2,345,638.57x = 3,236,939.94 × 1,299,038.10
4. Step 4: Simplify right side
   2,345,638.57x = 4,204,908,309,471.71
5. Step 5: Solve for x
   x = 4,204,908,309,471.71/2,345,638.57
6. Step 6: Final answer
   x = 1,792,649.71