Finding the Fourth Proportional to 1,589,105.72, 2,192,955.01 and 863,953.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589,105.72 : 2,192,955.01 = 863,953.43 : x
2. Step 2: Convert to fraction form
   1,589,105.72/2,192,955.01 = 863,953.43/x
3. Step 3: Cross multiply
   1,589,105.72x = 2,192,955.01 × 863,953.43
4. Step 4: Simplify right side
   1,589,105.72x = 1,894,610,989,600.53
5. Step 5: Solve for x
   x = 1,894,610,989,600.53/1,589,105.72
6. Step 6: Final answer
   x = 1,192,249.81