Finding the Fourth Proportional to 2,105,983.67, 2,906,007.52 and 1,188,159.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,983.67 : 2,906,007.52 = 1,188,159.23 : x
2. Step 2: Convert to fraction form
   2,105,983.67/2,906,007.52 = 1,188,159.23/x
3. Step 3: Cross multiply
   2,105,983.67x = 2,906,007.52 × 1,188,159.23
4. Step 4: Simplify right side
   2,105,983.67x = 3,452,799,642,963.90
5. Step 5: Solve for x
   x = 3,452,799,642,963.90/2,105,983.67
6. Step 6: Final answer
   x = 1,639,518.72