Finding the Fourth Proportional to 31,456.41, 43,393.31 and 18,700.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.41 : 43,393.31 = 18,700.52 : x
2. Step 2: Convert to fraction form
   31,456.41/43,393.31 = 18,700.52/x
3. Step 3: Cross multiply
   31,456.41x = 43,393.31 × 18,700.52
4. Step 4: Simplify right side
   31,456.41x = 811,477,511.57
5. Step 5: Solve for x
   x = 811,477,511.57/31,456.41
6. Step 6: Final answer
   x = 25,796.89