Finding the Fourth Proportional to 1,780,013.48, 2,670,784.88 and 1,181,183.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,013.48 : 2,670,784.88 = 1,181,183.72 : x
2. Step 2: Convert to fraction form
   1,780,013.48/2,670,784.88 = 1,181,183.72/x
3. Step 3: Cross multiply
   1,780,013.48x = 2,670,784.88 × 1,181,183.72
4. Step 4: Simplify right side
   1,780,013.48x = 3,154,687,619,878.15
5. Step 5: Solve for x
   x = 3,154,687,619,878.15/1,780,013.48
6. Step 6: Final answer
   x = 1,772,282.99