Finding the Fourth Proportional to 2,144,819.25, 2,960,113.21 and 1,239,401.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,819.25 : 2,960,113.21 = 1,239,401.25 : x
2. Step 2: Convert to fraction form
   2,144,819.25/2,960,113.21 = 1,239,401.25/x
3. Step 3: Cross multiply
   2,144,819.25x = 2,960,113.21 × 1,239,401.25
4. Step 4: Simplify right side
   2,144,819.25x = 3,668,768,009,517.01
5. Step 5: Solve for x
   x = 3,668,768,009,517.01/2,144,819.25
6. Step 6: Final answer
   x = 1,710,525.50