Finding the Fourth Proportional to 1,804,080.43, 2,489,045.21 and 1,230,124.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804,080.43 : 2,489,045.21 = 1,230,124.15 : x
2. Step 2: Convert to fraction form
   1,804,080.43/2,489,045.21 = 1,230,124.15/x
3. Step 3: Cross multiply
   1,804,080.43x = 2,489,045.21 × 1,230,124.15
4. Step 4: Simplify right side
   1,804,080.43x = 3,061,834,617,112.20
5. Step 5: Solve for x
   x = 3,061,834,617,112.20/1,804,080.43
6. Step 6: Final answer
   x = 1,697,171.90