Finding the Fourth Proportional to 22,058.58, 30,440.75 and 12,498.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,058.58 : 30,440.75 = 12,498.45 : x
2. Step 2: Convert to fraction form
   22,058.58/30,440.75 = 12,498.45/x
3. Step 3: Cross multiply
   22,058.58x = 30,440.75 × 12,498.45
4. Step 4: Simplify right side
   22,058.58x = 380,462,129.35
5. Step 5: Solve for x
   x = 380,462,129.35/22,058.58
6. Step 6: Final answer
   x = 17,247.81