Finding the Fourth Proportional to 1,581,058.50, 2,181,860.24 and 855,905.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,058.50 : 2,181,860.24 = 855,905.69 : x
2. Step 2: Convert to fraction form
   1,581,058.50/2,181,860.24 = 855,905.69/x
3. Step 3: Cross multiply
   1,581,058.50x = 2,181,860.24 × 855,905.69
4. Step 4: Simplify right side
   1,581,058.50x = 1,867,466,594,200.77
5. Step 5: Solve for x
   x = 1,867,466,594,200.77/1,581,058.50
6. Step 6: Final answer
   x = 1,181,149.59