Finding the Fourth Proportional to 1,581,084.57, 2,181,897.45 and 855,932.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,084.57 : 2,181,897.45 = 855,932.31 : x
2. Step 2: Convert to fraction form
   1,581,084.57/2,181,897.45 = 855,932.31/x
3. Step 3: Cross multiply
   1,581,084.57x = 2,181,897.45 × 855,932.31
4. Step 4: Simplify right side
   1,581,084.57x = 1,867,556,524,561.61
5. Step 5: Solve for x
   x = 1,867,556,524,561.61/1,581,084.57
6. Step 6: Final answer
   x = 1,181,186.99