Finding the Fourth Proportional to 2,257,094.71, 3,114,790.23 and 1,290,245.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,094.71 : 3,114,790.23 = 1,290,245.77 : x
2. Step 2: Convert to fraction form
   2,257,094.71/3,114,790.23 = 1,290,245.77/x
3. Step 3: Cross multiply
   2,257,094.71x = 3,114,790.23 × 1,290,245.77
4. Step 4: Simplify right side
   2,257,094.71x = 4,018,844,918,694.83
5. Step 5: Solve for x
   x = 4,018,844,918,694.83/2,257,094.71
6. Step 6: Final answer
   x = 1,780,538.89