Finding the Fourth Proportional to 31,155.94, 42,996.79 and 17,729.11

Step by Step Solution

1. Step 1: Write the proportion equation
   31,155.94 : 42,996.79 = 17,729.11 : x
2. Step 2: Convert to fraction form
   31,155.94/42,996.79 = 17,729.11/x
3. Step 3: Cross multiply
   31,155.94x = 42,996.79 × 17,729.11
4. Step 4: Simplify right side
   31,155.94x = 762,294,895.46
5. Step 5: Solve for x
   x = 762,294,895.46/31,155.94
6. Step 6: Final answer
   x = 24,467.08