Finding the Fourth Proportional to 2,443,007.18, 3,371,353.88 and 1,355,278.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443,007.18 : 3,371,353.88 = 1,355,278.76 : x
2. Step 2: Convert to fraction form
   2,443,007.18/3,371,353.88 = 1,355,278.76/x
3. Step 3: Cross multiply
   2,443,007.18x = 3,371,353.88 × 1,355,278.76
4. Step 4: Simplify right side
   2,443,007.18x = 4,569,124,282,374.43
5. Step 5: Solve for x
   x = 4,569,124,282,374.43/2,443,007.18
6. Step 6: Final answer
   x = 1,870,286.88