Finding the Fourth Proportional to 2,587,426.17, 3,862,946.49 and 1,977,019.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,426.17 : 3,862,946.49 = 1,977,019.89 : x
2. Step 2: Convert to fraction form
   2,587,426.17/3,862,946.49 = 1,977,019.89/x
3. Step 3: Cross multiply
   2,587,426.17x = 3,862,946.49 × 1,977,019.89
4. Step 4: Simplify right side
   2,587,426.17x = 7,637,122,034,850.59
5. Step 5: Solve for x
   x = 7,637,122,034,850.59/2,587,426.17
6. Step 6: Final answer
   x = 2,951,628.97