Finding the Fourth Proportional to 1,673,642.98, 2,309,630.52 and 909,694.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,642.98 : 2,309,630.52 = 909,694.72 : x
2. Step 2: Convert to fraction form
   1,673,642.98/2,309,630.52 = 909,694.72/x
3. Step 3: Cross multiply
   1,673,642.98x = 2,309,630.52 × 909,694.72
4. Step 4: Simplify right side
   1,673,642.98x = 2,101,058,689,194.85
5. Step 5: Solve for x
   x = 2,101,058,689,194.85/1,673,642.98
6. Step 6: Final answer
   x = 1,255,380.46