Finding the Fourth Proportional to 1,605,221.10, 2,215,196.37 and 880,099.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,221.10 : 2,215,196.37 = 880,099.38 : x
2. Step 2: Convert to fraction form
   1,605,221.10/2,215,196.37 = 880,099.38/x
3. Step 3: Cross multiply
   1,605,221.10x = 2,215,196.37 × 880,099.38
4. Step 4: Simplify right side
   1,605,221.10x = 1,949,592,951,815.25
5. Step 5: Solve for x
   x = 1,949,592,951,815.25/1,605,221.10
6. Step 6: Final answer
   x = 1,214,532.35