Finding the Fourth Proportional to 31,553.94, 43,544.58 and 17,406.78

Step by Step Solution

1. Step 1: Write the proportion equation
   31,553.94 : 43,544.58 = 17,406.78 : x
2. Step 2: Convert to fraction form
   31,553.94/43,544.58 = 17,406.78/x
3. Step 3: Cross multiply
   31,553.94x = 43,544.58 × 17,406.78
4. Step 4: Simplify right side
   31,553.94x = 757,970,924.25
5. Step 5: Solve for x
   x = 757,970,924.25/31,553.94
6. Step 6: Final answer
   x = 24,021.44