Finding the Fourth Proportional to 22,111.68, 30,511.80 and 12,548.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.68 : 30,511.80 = 12,548.52 : x
2. Step 2: Convert to fraction form
   22,111.68/30,511.80 = 12,548.52/x
3. Step 3: Cross multiply
   22,111.68x = 30,511.80 × 12,548.52
4. Step 4: Simplify right side
   22,111.68x = 382,877,932.54
5. Step 5: Solve for x
   x = 382,877,932.54/22,111.68
6. Step 6: Final answer
   x = 17,315.64