Finding the Fourth Proportional to 1,109,945.89, 1,664,244.63 and 435,218.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,945.89 : 1,664,244.63 = 435,218.82 : x
2. Step 2: Convert to fraction form
   1,109,945.89/1,664,244.63 = 435,218.82/x
3. Step 3: Cross multiply
   1,109,945.89x = 1,664,244.63 × 435,218.82
4. Step 4: Simplify right side
   1,109,945.89x = 724,310,584,059.94
5. Step 5: Solve for x
   x = 724,310,584,059.94/1,109,945.89
6. Step 6: Final answer
   x = 652,563.87