Finding the Fourth Proportional to 2,147,591.40, 3,214,377.54 and 1,578,821.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,591.40 : 3,214,377.54 = 1,578,821.88 : x
2. Step 2: Convert to fraction form
   2,147,591.40/3,214,377.54 = 1,578,821.88/x
3. Step 3: Cross multiply
   2,147,591.40x = 3,214,377.54 × 1,578,821.88
4. Step 4: Simplify right side
   2,147,591.40x = 5,074,929,590,732.58
5. Step 5: Solve for x
   x = 5,074,929,590,732.58/2,147,591.40
6. Step 6: Final answer
   x = 2,363,079.68