Finding the Fourth Proportional to 22,498.84, 31,052.21 and 13,072.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,498.84 : 31,052.21 = 13,072.87 : x
2. Step 2: Convert to fraction form
   22,498.84/31,052.21 = 13,072.87/x
3. Step 3: Cross multiply
   22,498.84x = 31,052.21 × 13,072.87
4. Step 4: Simplify right side
   22,498.84x = 405,941,439.18
5. Step 5: Solve for x
   x = 405,941,439.18/22,498.84
6. Step 6: Final answer
   x = 18,042.77