Finding the Fourth Proportional to 31,423.56, 43,364.61 and 17,994.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,423.56 : 43,364.61 = 17,994.84 : x
2. Step 2: Convert to fraction form
   31,423.56/43,364.61 = 17,994.84/x
3. Step 3: Cross multiply
   31,423.56x = 43,364.61 × 17,994.84
4. Step 4: Simplify right side
   31,423.56x = 780,339,218.61
5. Step 5: Solve for x
   x = 780,339,218.61/31,423.56
6. Step 6: Final answer
   x = 24,832.93