Finding the Fourth Proportional to 2,182,774.32, 3,011,828.72 and 1,215,880.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,774.32 : 3,011,828.72 = 1,215,880.56 : x
2. Step 2: Convert to fraction form
   2,182,774.32/3,011,828.72 = 1,215,880.56/x
3. Step 3: Cross multiply
   2,182,774.32x = 3,011,828.72 × 1,215,880.56
4. Step 4: Simplify right side
   2,182,774.32x = 3,662,023,990,697.68
5. Step 5: Solve for x
   x = 3,662,023,990,697.68/2,182,774.32
6. Step 6: Final answer
   x = 1,677,692.45