Finding the Fourth Proportional to 31,434.12, 43,407 and 23,462.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,434.12 : 43,407 = 23,462.28 : x
2. Step 2: Convert to fraction form
   31,434.12/43,407 = 23,462.28/x
3. Step 3: Cross multiply
   31,434.12x = 43,407 × 23,462.28
4. Step 4: Simplify right side
   31,434.12x = 1,018,427,187.96
5. Step 5: Solve for x
   x = 1,018,427,187.96/31,434.12
6. Step 6: Final answer
   x = 32,398.78