Finding the Fourth Proportional to 2,076,839.79, 2,866,076.24 and 1,218,019.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,839.79 : 2,866,076.24 = 1,218,019.47 : x
2. Step 2: Convert to fraction form
   2,076,839.79/2,866,076.24 = 1,218,019.47/x
3. Step 3: Cross multiply
   2,076,839.79x = 2,866,076.24 × 1,218,019.47
4. Step 4: Simplify right side
   2,076,839.79x = 3,490,936,656,734.30
5. Step 5: Solve for x
   x = 3,490,936,656,734.30/2,076,839.79
6. Step 6: Final answer
   x = 1,680,888.76