Finding the Fourth Proportional to 1,581,088.82, 2,181,892.58 and 855,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,088.82 : 2,181,892.58 = 855,931.25 : x
2. Step 2: Convert to fraction form
   1,581,088.82/2,181,892.58 = 855,931.25/x
3. Step 3: Cross multiply
   1,581,088.82x = 2,181,892.58 × 855,931.25
4. Step 4: Simplify right side
   1,581,088.82x = 1,867,550,047,749.94
5. Step 5: Solve for x
   x = 1,867,550,047,749.94/1,581,088.82
6. Step 6: Final answer
   x = 1,181,179.72