Finding the Fourth Proportional to 2,087,443.97, 2,880,623.82 and 1,228,059.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,443.97 : 2,880,623.82 = 1,228,059.48 : x
2. Step 2: Convert to fraction form
   2,087,443.97/2,880,623.82 = 1,228,059.48/x
3. Step 3: Cross multiply
   2,087,443.97x = 2,880,623.82 × 1,228,059.48
4. Step 4: Simplify right side
   2,087,443.97x = 3,537,577,390,464.81
5. Step 5: Solve for x
   x = 3,537,577,390,464.81/2,087,443.97
6. Step 6: Final answer
   x = 1,694,693.34