Finding the Fourth Proportional to 1,636,612.59, 2,258,595.42 and 911,460.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,636,612.59 : 2,258,595.42 = 911,460.30 : x
2. Step 2: Convert to fraction form
   1,636,612.59/2,258,595.42 = 911,460.30/x
3. Step 3: Cross multiply
   1,636,612.59x = 2,258,595.42 × 911,460.30
4. Step 4: Simplify right side
   1,636,612.59x = 2,058,620,059,091.83
5. Step 5: Solve for x
   x = 2,058,620,059,091.83/1,636,612.59
6. Step 6: Final answer
   x = 1,257,854.22