Finding the Fourth Proportional to 2,253,445.92, 3,109,451.04 and 1,286,514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253,445.92 : 3,109,451.04 = 1,286,514.72 : x
2. Step 2: Convert to fraction form
   2,253,445.92/3,109,451.04 = 1,286,514.72/x
3. Step 3: Cross multiply
   2,253,445.92x = 3,109,451.04 × 1,286,514.72
4. Step 4: Simplify right side
   2,253,445.92x = 4,000,354,534,079.31
5. Step 5: Solve for x
   x = 4,000,354,534,079.31/2,253,445.92
6. Step 6: Final answer
   x = 1,775,216.57