Finding the Fourth Proportional to 1,204,085.06, 1,661,656.65 and 660,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,085.06 : 1,661,656.65 = 660,270.50 : x
2. Step 2: Convert to fraction form
   1,204,085.06/1,661,656.65 = 660,270.50/x
3. Step 3: Cross multiply
   1,204,085.06x = 1,661,656.65 × 660,270.50
4. Step 4: Simplify right side
   1,204,085.06x = 1,097,142,867,123.83
5. Step 5: Solve for x
   x = 1,097,142,867,123.83/1,204,085.06
6. Step 6: Final answer
   x = 911,183.86