Finding the Fourth Proportional to 1,669,892.25, 2,304,455.76 and 905,945.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669,892.25 : 2,304,455.76 = 905,945.82 : x
2. Step 2: Convert to fraction form
   1,669,892.25/2,304,455.76 = 905,945.82/x
3. Step 3: Cross multiply
   1,669,892.25x = 2,304,455.76 × 905,945.82
4. Step 4: Simplify right side
   1,669,892.25x = 2,087,712,063,146.92
5. Step 5: Solve for x
   x = 2,087,712,063,146.92/1,669,892.25
6. Step 6: Final answer
   x = 1,250,207.65