Finding the Fourth Proportional to 2,165,271.28, 2,987,744.82 and 1,234,987

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,271.28 : 2,987,744.82 = 1,234,987 : x
2. Step 2: Convert to fraction form
   2,165,271.28/2,987,744.82 = 1,234,987/x
3. Step 3: Cross multiply
   2,165,271.28x = 2,987,744.82 × 1,234,987
4. Step 4: Simplify right side
   2,165,271.28x = 3,689,826,012,017.34
5. Step 5: Solve for x
   x = 3,689,826,012,017.34/2,165,271.28
6. Step 6: Final answer
   x = 1,704,094.10