Finding the Fourth Proportional to 22,083.84, 30,474.54 and 13,131.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,083.84 : 30,474.54 = 13,131.18 : x
2. Step 2: Convert to fraction form
   22,083.84/30,474.54 = 13,131.18/x
3. Step 3: Cross multiply
   22,083.84x = 30,474.54 × 13,131.18
4. Step 4: Simplify right side
   22,083.84x = 400,166,670.16
5. Step 5: Solve for x
   x = 400,166,670.16/22,083.84
6. Step 6: Final answer
   x = 18,120.34