Finding the Fourth Proportional to 22,063.84, 30,442.72 and 13,111.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,063.84 : 30,442.72 = 13,111.04 : x
2. Step 2: Convert to fraction form
   22,063.84/30,442.72 = 13,111.04/x
3. Step 3: Cross multiply
   22,063.84x = 30,442.72 × 13,111.04
4. Step 4: Simplify right side
   22,063.84x = 399,135,719.63
5. Step 5: Solve for x
   x = 399,135,719.63/22,063.84
6. Step 6: Final answer
   x = 18,090.04