Finding the Fourth Proportional to 2,577,276.57, 3,556,649.94 and 1,431,356.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,276.57 : 3,556,649.94 = 1,431,356.88 : x
2. Step 2: Convert to fraction form
   2,577,276.57/3,556,649.94 = 1,431,356.88/x
3. Step 3: Cross multiply
   2,577,276.57x = 3,556,649.94 × 1,431,356.88
4. Step 4: Simplify right side
   2,577,276.57x = 5,090,835,361,370.59
5. Step 5: Solve for x
   x = 5,090,835,361,370.59/2,577,276.57
6. Step 6: Final answer
   x = 1,975,277.09