Finding the Fourth Proportional to 31,451, 43,402.38 and 17,303.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,451 : 43,402.38 = 17,303.54 : x
2. Step 2: Convert to fraction form
   31,451/43,402.38 = 17,303.54/x
3. Step 3: Cross multiply
   31,451x = 43,402.38 × 17,303.54
4. Step 4: Simplify right side
   31,451x = 751,014,818.43
5. Step 5: Solve for x
   x = 751,014,818.43/31,451
6. Step 6: Final answer
   x = 23,878.89