Finding the Fourth Proportional to 1,581,086.07, 2,181,899.52 and 855,933.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,086.07 : 2,181,899.52 = 855,933.81 : x
2. Step 2: Convert to fraction form
   1,581,086.07/2,181,899.52 = 855,933.81/x
3. Step 3: Cross multiply
   1,581,086.07x = 2,181,899.52 × 855,933.81
4. Step 4: Simplify right side
   1,581,086.07x = 1,867,561,569,190.77
5. Step 5: Solve for x
   x = 1,867,561,569,190.77/1,581,086.07
6. Step 6: Final answer
   x = 1,181,189.06