Finding the Fourth Proportional to 1,641,744.85, 2,265,458.78 and 916,459.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,641,744.85 : 2,265,458.78 = 916,459.10 : x
2. Step 2: Convert to fraction form
   1,641,744.85/2,265,458.78 = 916,459.10/x
3. Step 3: Cross multiply
   1,641,744.85x = 2,265,458.78 × 916,459.10
4. Step 4: Simplify right side
   1,641,744.85x = 2,076,200,322,560.69
5. Step 5: Solve for x
   x = 2,076,200,322,560.69/1,641,744.85
6. Step 6: Final answer
   x = 1,264,630.33