Finding the Fourth Proportional to 2,057,689.06, 2,839,097.91 and 1,186,790.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,689.06 : 2,839,097.91 = 1,186,790.12 : x
2. Step 2: Convert to fraction form
   2,057,689.06/2,839,097.91 = 1,186,790.12/x
3. Step 3: Cross multiply
   2,057,689.06x = 2,839,097.91 × 1,186,790.12
4. Step 4: Simplify right side
   2,057,689.06x = 3,369,413,356,398.39
5. Step 5: Solve for x
   x = 3,369,413,356,398.39/2,057,689.06
6. Step 6: Final answer
   x = 1,637,474.50