Finding the Fourth Proportional to 31,201.17, 43,050.83 and 18,455.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,201.17 : 43,050.83 = 18,455.05 : x
2. Step 2: Convert to fraction form
   31,201.17/43,050.83 = 18,455.05/x
3. Step 3: Cross multiply
   31,201.17x = 43,050.83 × 18,455.05
4. Step 4: Simplify right side
   31,201.17x = 794,505,181.73
5. Step 5: Solve for x
   x = 794,505,181.73/31,201.17
6. Step 6: Final answer
   x = 25,463.96