Finding the Fourth Proportional to 2,638,820.82, 3,641,579.79 and 1,431,596.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,820.82 : 3,641,579.79 = 1,431,596.82 : x
2. Step 2: Convert to fraction form
   2,638,820.82/3,641,579.79 = 1,431,596.82/x
3. Step 3: Cross multiply
   2,638,820.82x = 3,641,579.79 × 1,431,596.82
4. Step 4: Simplify right side
   2,638,820.82x = 5,213,274,047,140.27
5. Step 5: Solve for x
   x = 5,213,274,047,140.27/2,638,820.82
6. Step 6: Final answer
   x = 1,975,607.44