Finding the Fourth Proportional to 2,638,597.38, 3,641,271.40 and 1,431,373.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,638,597.38 : 3,641,271.40 = 1,431,373.38 : x
2. Step 2: Convert to fraction form
   2,638,597.38/3,641,271.40 = 1,431,373.38/x
3. Step 3: Cross multiply
   2,638,597.38x = 3,641,271.40 × 1,431,373.38
4. Step 4: Simplify right side
   2,638,597.38x = 5,212,018,951,315.33
5. Step 5: Solve for x
   x = 5,212,018,951,315.33/2,638,597.38
6. Step 6: Final answer
   x = 1,975,299.07