Finding the Fourth Proportional to 1,536,839.58, 2,120,752.35 and 857,819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,536,839.58 : 2,120,752.35 = 857,819.82 : x
2. Step 2: Convert to fraction form
   1,536,839.58/2,120,752.35 = 857,819.82/x
3. Step 3: Cross multiply
   1,536,839.58x = 2,120,752.35 × 857,819.82
4. Step 4: Simplify right side
   1,536,839.58x = 1,819,223,399,141.58
5. Step 5: Solve for x
   x = 1,819,223,399,141.58/1,536,839.58
6. Step 6: Final answer
   x = 1,183,743.20