Finding the Fourth Proportional to 31,481.60, 43,444.55 and 18,056.45

Step by Step Solution

1. Step 1: Write the proportion equation
   31,481.60 : 43,444.55 = 18,056.45 : x
2. Step 2: Convert to fraction form
   31,481.60/43,444.55 = 18,056.45/x
3. Step 3: Cross multiply
   31,481.60x = 43,444.55 × 18,056.45
4. Step 4: Simplify right side
   31,481.60x = 784,454,498.60
5. Step 5: Solve for x
   x = 784,454,498.60/31,481.60
6. Step 6: Final answer
   x = 24,917.88