Finding the Fourth Proportional to 1,581,158.52, 2,181,996.06 and 856,005.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,158.52 : 2,181,996.06 = 856,005.96 : x
2. Step 2: Convert to fraction form
   1,581,158.52/2,181,996.06 = 856,005.96/x
3. Step 3: Cross multiply
   1,581,158.52x = 2,181,996.06 × 856,005.96
4. Step 4: Simplify right side
   1,581,158.52x = 1,867,801,632,056.52
5. Step 5: Solve for x
   x = 1,867,801,632,056.52/1,581,158.52
6. Step 6: Final answer
   x = 1,181,286.76