Finding the Fourth Proportional to 2,807,585.10, 4,209,304.05 and 1,123,821.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807,585.10 : 4,209,304.05 = 1,123,821.90 : x
2. Step 2: Convert to fraction form
   2,807,585.10/4,209,304.05 = 1,123,821.90/x
3. Step 3: Cross multiply
   2,807,585.10x = 4,209,304.05 × 1,123,821.90
4. Step 4: Simplify right side
   2,807,585.10x = 4,730,508,075,148.69
5. Step 5: Solve for x
   x = 4,730,508,075,148.69/2,807,585.10
6. Step 6: Final answer
   x = 1,684,902.83