Finding the Fourth Proportional to 2,009,435.15, 3,013,551.53 and 661,348.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,435.15 : 3,013,551.53 = 661,348.91 : x
2. Step 2: Convert to fraction form
   2,009,435.15/3,013,551.53 = 661,348.91/x
3. Step 3: Cross multiply
   2,009,435.15x = 3,013,551.53 × 661,348.91
4. Step 4: Simplify right side
   2,009,435.15x = 1,993,009,016,287.59
5. Step 5: Solve for x
   x = 1,993,009,016,287.59/2,009,435.15
6. Step 6: Final answer
   x = 991,825.50