Finding the Fourth Proportional to 2,182,819.56, 3,012,381.75 and 1,215,949.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,819.56 : 3,012,381.75 = 1,215,949.59 : x
2. Step 2: Convert to fraction form
   2,182,819.56/3,012,381.75 = 1,215,949.59/x
3. Step 3: Cross multiply
   2,182,819.56x = 3,012,381.75 × 1,215,949.59
4. Step 4: Simplify right side
   2,182,819.56x = 3,662,904,353,835.98
5. Step 5: Solve for x
   x = 3,662,904,353,835.98/2,182,819.56
6. Step 6: Final answer
   x = 1,678,060.99