Finding the Fourth Proportional to 2,426,857.79, 3,349,059.77 and 1,339,128.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426,857.79 : 3,349,059.77 = 1,339,128.51 : x
2. Step 2: Convert to fraction form
   2,426,857.79/3,349,059.77 = 1,339,128.51/x
3. Step 3: Cross multiply
   2,426,857.79x = 3,349,059.77 × 1,339,128.51
4. Step 4: Simplify right side
   2,426,857.79x = 4,484,821,413,005.40
5. Step 5: Solve for x
   x = 4,484,821,413,005.40/2,426,857.79
6. Step 6: Final answer
   x = 1,847,995.15