Finding the Fourth Proportional to 2,556,863.78, 3,528,546.96 and 1,395,384.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556,863.78 : 3,528,546.96 = 1,395,384.72 : x
2. Step 2: Convert to fraction form
   2,556,863.78/3,528,546.96 = 1,395,384.72/x
3. Step 3: Cross multiply
   2,556,863.78x = 3,528,546.96 × 1,395,384.72
4. Step 4: Simplify right side
   2,556,863.78x = 4,923,680,506,787.10
5. Step 5: Solve for x
   x = 4,923,680,506,787.10/2,556,863.78
6. Step 6: Final answer
   x = 1,925,671.81