Finding the Fourth Proportional to 1,636,301.55, 2,258,162.64 and 911,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,301.55 : 2,258,162.64 = 911,103.30 : x
2. Step 2: Convert to fraction form
   1,636,301.55/2,258,162.64 = 911,103.30/x
3. Step 3: Cross multiply
   1,636,301.55x = 2,258,162.64 × 911,103.30
4. Step 4: Simplify right side
   1,636,301.55x = 2,057,419,433,240.71
5. Step 5: Solve for x
   x = 2,057,419,433,240.71/1,636,301.55
6. Step 6: Final answer
   x = 1,257,359.58