Finding the Fourth Proportional to 2,185,635.62, 3,016,215.69 and 1,205,686.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,635.62 : 3,016,215.69 = 1,205,686.82 : x
2. Step 2: Convert to fraction form
   2,185,635.62/3,016,215.69 = 1,205,686.82/x
3. Step 3: Cross multiply
   2,185,635.62x = 3,016,215.69 × 1,205,686.82
4. Step 4: Simplify right side
   2,185,635.62x = 3,636,611,503,710.21
5. Step 5: Solve for x
   x = 3,636,611,503,710.21/2,185,635.62
6. Step 6: Final answer
   x = 1,663,869.07