Finding the Fourth Proportional to 2,179,418.96, 3,007,522.49 and 1,199,266.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,418.96 : 3,007,522.49 = 1,199,266.31 : x
2. Step 2: Convert to fraction form
   2,179,418.96/3,007,522.49 = 1,199,266.31/x
3. Step 3: Cross multiply
   2,179,418.96x = 3,007,522.49 × 1,199,266.31
4. Step 4: Simplify right side
   2,179,418.96x = 3,606,820,377,790.37
5. Step 5: Solve for x
   x = 3,606,820,377,790.37/2,179,418.96
6. Step 6: Final answer
   x = 1,654,945.86