Finding the Fourth Proportional to 17,991.95, 24,833.34 and 12,258.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,991.95 : 24,833.34 = 12,258.89 : x
2. Step 2: Convert to fraction form
   17,991.95/24,833.34 = 12,258.89/x
3. Step 3: Cross multiply
   17,991.95x = 24,833.34 × 12,258.89
4. Step 4: Simplify right side
   17,991.95x = 304,429,059.23
5. Step 5: Solve for x
   x = 304,429,059.23/17,991.95
6. Step 6: Final answer
   x = 16,920.29