Finding the Fourth Proportional to 2,665,820.76, 3,678,821.64 and 1,442,123.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665,820.76 : 3,678,821.64 = 1,442,123.40 : x
2. Step 2: Convert to fraction form
   2,665,820.76/3,678,821.64 = 1,442,123.40/x
3. Step 3: Cross multiply
   2,665,820.76x = 3,678,821.64 × 1,442,123.40
4. Step 4: Simplify right side
   2,665,820.76x = 5,305,314,771,470.38
5. Step 5: Solve for x
   x = 5,305,314,771,470.38/2,665,820.76
6. Step 6: Final answer
   x = 1,990,124.34