Finding the Fourth Proportional to 2,185,866.88, 3,016,490.43 and 1,218,998.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185,866.88 : 3,016,490.43 = 1,218,998.23 : x
2. Step 2: Convert to fraction form
   2,185,866.88/3,016,490.43 = 1,218,998.23/x
3. Step 3: Cross multiply
   2,185,866.88x = 3,016,490.43 × 1,218,998.23
4. Step 4: Simplify right side
   2,185,866.88x = 3,677,096,494,981.94
5. Step 5: Solve for x
   x = 3,677,096,494,981.94/2,185,866.88
6. Step 6: Final answer
   x = 1,682,214.29