Finding the Fourth Proportional to 1,810,905.55, 2,499,069.56 and 995,109.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810,905.55 : 2,499,069.56 = 995,109.45 : x
2. Step 2: Convert to fraction form
   1,810,905.55/2,499,069.56 = 995,109.45/x
3. Step 3: Cross multiply
   1,810,905.55x = 2,499,069.56 × 995,109.45
4. Step 4: Simplify right side
   1,810,905.55x = 2,486,847,721,016.28
5. Step 5: Solve for x
   x = 2,486,847,721,016.28/1,810,905.55
6. Step 6: Final answer
   x = 1,373,261.97