Finding the Fourth Proportional to 2,577,697.47, 3,556,753.47 and 1,489,570.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,697.47 : 3,556,753.47 = 1,489,570.20 : x
2. Step 2: Convert to fraction form
   2,577,697.47/3,556,753.47 = 1,489,570.20/x
3. Step 3: Cross multiply
   2,577,697.47x = 3,556,753.47 × 1,489,570.20
4. Step 4: Simplify right side
   2,577,697.47x = 5,298,033,977,658.59
5. Step 5: Solve for x
   x = 5,298,033,977,658.59/2,577,697.47
6. Step 6: Final answer
   x = 2,055,335.83