Finding the Fourth Proportional to 2,076,821.42, 2,866,050.88 and 1,218,001.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076,821.42 : 2,866,050.88 = 1,218,001.10 : x
2. Step 2: Convert to fraction form
   2,076,821.42/2,866,050.88 = 1,218,001.10/x
3. Step 3: Cross multiply
   2,076,821.42x = 2,866,050.88 × 1,218,001.10
4. Step 4: Simplify right side
   2,076,821.42x = 3,490,853,107,120.71
5. Step 5: Solve for x
   x = 3,490,853,107,120.71/2,076,821.42
6. Step 6: Final answer
   x = 1,680,863.40