Finding the Fourth Proportional to 2,189,597.12, 3,020,983.78 and 1,271,649.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,597.12 : 3,020,983.78 = 1,271,649.32 : x
2. Step 2: Convert to fraction form
   2,189,597.12/3,020,983.78 = 1,271,649.32/x
3. Step 3: Cross multiply
   2,189,597.12x = 3,020,983.78 × 1,271,649.32
4. Step 4: Simplify right side
   2,189,597.12x = 3,841,631,969,568.03
5. Step 5: Solve for x
   x = 3,841,631,969,568.03/2,189,597.12
6. Step 6: Final answer
   x = 1,754,492.61