Finding the Fourth Proportional to 2,856,780.52, 4,285,422.42 and 1,059,683.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,780.52 : 4,285,422.42 = 1,059,683.20 : x
2. Step 2: Convert to fraction form
   2,856,780.52/4,285,422.42 = 1,059,683.20/x
3. Step 3: Cross multiply
   2,856,780.52x = 4,285,422.42 × 1,059,683.20
4. Step 4: Simplify right side
   2,856,780.52x = 4,541,190,143,377.34
5. Step 5: Solve for x
   x = 4,541,190,143,377.34/2,856,780.52
6. Step 6: Final answer
   x = 1,589,618.14