Finding the Fourth Proportional to 2,109,249.81, 2,910,755.59 and 1,178,956.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109,249.81 : 2,910,755.59 = 1,178,956.34 : x
2. Step 2: Convert to fraction form
   2,109,249.81/2,910,755.59 = 1,178,956.34/x
3. Step 3: Cross multiply
   2,109,249.81x = 2,910,755.59 × 1,178,956.34
4. Step 4: Simplify right side
   2,109,249.81x = 3,431,653,756,134.83
5. Step 5: Solve for x
   x = 3,431,653,756,134.83/2,109,249.81
6. Step 6: Final answer
   x = 1,626,954.63