Finding the Fourth Proportional to 2,577,085.52, 3,556,426.20 and 1,431,273.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,085.52 : 3,556,426.20 = 1,431,273.20 : x
2. Step 2: Convert to fraction form
   2,577,085.52/3,556,426.20 = 1,431,273.20/x
3. Step 3: Cross multiply
   2,577,085.52x = 3,556,426.20 × 1,431,273.20
4. Step 4: Simplify right side
   2,577,085.52x = 5,090,217,507,837.84
5. Step 5: Solve for x
   x = 5,090,217,507,837.84/2,577,085.52
6. Step 6: Final answer
   x = 1,975,183.78