Finding the Fourth Proportional to 2,536,843.34, 3,500,816.83 and 1,390,920.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,536,843.34 : 3,500,816.83 = 1,390,920.78 : x
2. Step 2: Convert to fraction form
   2,536,843.34/3,500,816.83 = 1,390,920.78/x
3. Step 3: Cross multiply
   2,536,843.34x = 3,500,816.83 × 1,390,920.78
4. Step 4: Simplify right side
   2,536,843.34x = 4,869,358,875,820.73
5. Step 5: Solve for x
   x = 4,869,358,875,820.73/2,536,843.34
6. Step 6: Final answer
   x = 1,919,455.88