Finding the Fourth Proportional to 1,605,191.82, 2,215,105.92 and 880,023.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,191.82 : 2,215,105.92 = 880,023.60 : x
2. Step 2: Convert to fraction form
   1,605,191.82/2,215,105.92 = 880,023.60/x
3. Step 3: Cross multiply
   1,605,191.82x = 2,215,105.92 × 880,023.60
4. Step 4: Simplify right side
   1,605,191.82x = 1,949,345,486,099.71
5. Step 5: Solve for x
   x = 1,949,345,486,099.71/1,605,191.82
6. Step 6: Final answer
   x = 1,214,400.34