Finding the Fourth Proportional to 22,100.48, 30,495.96 and 13,148.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.48 : 30,495.96 = 13,148.36 : x
2. Step 2: Convert to fraction form
   22,100.48/30,495.96 = 13,148.36/x
3. Step 3: Cross multiply
   22,100.48x = 30,495.96 × 13,148.36
4. Step 4: Simplify right side
   22,100.48x = 400,971,860.63
5. Step 5: Solve for x
   x = 400,971,860.63/22,100.48
6. Step 6: Final answer
   x = 18,143.13