Finding the Fourth Proportional to 1,581,853.76, 2,182,946.28 and 856,684.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,853.76 : 2,182,946.28 = 856,684.52 : x
2. Step 2: Convert to fraction form
   1,581,853.76/2,182,946.28 = 856,684.52/x
3. Step 3: Cross multiply
   1,581,853.76x = 2,182,946.28 × 856,684.52
4. Step 4: Simplify right side
   1,581,853.76x = 1,870,096,286,067.59
5. Step 5: Solve for x
   x = 1,870,096,286,067.59/1,581,853.76
6. Step 6: Final answer
   x = 1,182,218.19