Finding the Fourth Proportional to 2,105,803.53, 2,906,009.33 and 1,188,227.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,803.53 : 2,906,009.33 = 1,188,227.43 : x
2. Step 2: Convert to fraction form
   2,105,803.53/2,906,009.33 = 1,188,227.43/x
3. Step 3: Cross multiply
   2,105,803.53x = 2,906,009.33 × 1,188,227.43
4. Step 4: Simplify right side
   2,105,803.53x = 3,452,999,991,800.78
5. Step 5: Solve for x
   x = 3,452,999,991,800.78/2,105,803.53
6. Step 6: Final answer
   x = 1,639,754.11