Finding the Fourth Proportional to 1,114,300.32, 1,672,114.44 and 404,383.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114,300.32 : 1,672,114.44 = 404,383.68 : x
2. Step 2: Convert to fraction form
   1,114,300.32/1,672,114.44 = 404,383.68/x
3. Step 3: Cross multiply
   1,114,300.32x = 1,672,114.44 × 404,383.68
4. Step 4: Simplify right side
   1,114,300.32x = 676,175,790,628.34
5. Step 5: Solve for x
   x = 676,175,790,628.34/1,114,300.32
6. Step 6: Final answer
   x = 606,816.47