Finding the Fourth Proportional to 1,605,693.58, 2,215,887.59 and 880,498.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,693.58 : 2,215,887.59 = 880,498.05 : x
2. Step 2: Convert to fraction form
   1,605,693.58/2,215,887.59 = 880,498.05/x
3. Step 3: Cross multiply
   1,605,693.58x = 2,215,887.59 × 880,498.05
4. Step 4: Simplify right side
   1,605,693.58x = 1,951,084,690,953.06
5. Step 5: Solve for x
   x = 1,951,084,690,953.06/1,605,693.58
6. Step 6: Final answer
   x = 1,215,104.00