Finding the Fourth Proportional to 2,108,687.33, 2,909,992.46 and 1,178,395.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,687.33 : 2,909,992.46 = 1,178,395.06 : x
2. Step 2: Convert to fraction form
   2,108,687.33/2,909,992.46 = 1,178,395.06/x
3. Step 3: Cross multiply
   2,108,687.33x = 2,909,992.46 × 1,178,395.06
4. Step 4: Simplify right side
   2,108,687.33x = 3,429,120,743,289.12
5. Step 5: Solve for x
   x = 3,429,120,743,289.12/2,108,687.33
6. Step 6: Final answer
   x = 1,626,187.39