Finding the Fourth Proportional to 31,933.98, 44,068.91 and 18,513.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,933.98 : 44,068.91 = 18,513.05 : x
2. Step 2: Convert to fraction form
   31,933.98/44,068.91 = 18,513.05/x
3. Step 3: Cross multiply
   31,933.98x = 44,068.91 × 18,513.05
4. Step 4: Simplify right side
   31,933.98x = 815,849,621.37
5. Step 5: Solve for x
   x = 815,849,621.37/31,933.98
6. Step 6: Final answer
   x = 25,548.01