Finding the Fourth Proportional to 2,768,789.88, 3,820,930.20 and 1,528,400.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,768,789.88 : 3,820,930.20 = 1,528,400.58 : x
2. Step 2: Convert to fraction form
   2,768,789.88/3,820,930.20 = 1,528,400.58/x
3. Step 3: Cross multiply
   2,768,789.88x = 3,820,930.20 × 1,528,400.58
4. Step 4: Simplify right side
   2,768,789.88x = 5,839,911,933,819.52
5. Step 5: Solve for x
   x = 5,839,911,933,819.52/2,768,789.88
6. Step 6: Final answer
   x = 2,109,192.89