Finding the Fourth Proportional to 1,359,290.97, 2,038,804.83 and 412,669.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,290.97 : 2,038,804.83 = 412,669.89 : x
2. Step 2: Convert to fraction form
   1,359,290.97/2,038,804.83 = 412,669.89/x
3. Step 3: Cross multiply
   1,359,290.97x = 2,038,804.83 × 412,669.89
4. Step 4: Simplify right side
   1,359,290.97x = 841,353,364,927.57
5. Step 5: Solve for x
   x = 841,353,364,927.57/1,359,290.97
6. Step 6: Final answer
   x = 618,964.87