Finding the Fourth Proportional to 2,587,429.17, 3,862,950.96 and 1,977,022.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,429.17 : 3,862,950.96 = 1,977,022.89 : x
2. Step 2: Convert to fraction form
   2,587,429.17/3,862,950.96 = 1,977,022.89/x
3. Step 3: Cross multiply
   2,587,429.17x = 3,862,950.96 × 1,977,022.89
4. Step 4: Simplify right side
   2,587,429.17x = 7,637,142,470,867.47
5. Step 5: Solve for x
   x = 7,637,142,470,867.47/2,587,429.17
6. Step 6: Final answer
   x = 2,951,633.44