Finding the Fourth Proportional to 2,577,478.78, 3,556,822.35 and 1,431,632.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577,478.78 : 3,556,822.35 = 1,431,632.62 : x
2. Step 2: Convert to fraction form
   2,577,478.78/3,556,822.35 = 1,431,632.62/x
3. Step 3: Cross multiply
   2,577,478.78x = 3,556,822.35 × 1,431,632.62
4. Step 4: Simplify right side
   2,577,478.78x = 5,092,062,899,805.06
5. Step 5: Solve for x
   x = 5,092,062,899,805.06/2,577,478.78
6. Step 6: Final answer
   x = 1,975,598.38