Finding the Fourth Proportional to 22,060.84, 30,431.82 and 13,979.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,060.84 : 30,431.82 = 13,979.68 : x
2. Step 2: Convert to fraction form
   22,060.84/30,431.82 = 13,979.68/x
3. Step 3: Cross multiply
   22,060.84x = 30,431.82 × 13,979.68
4. Step 4: Simplify right side
   22,060.84x = 425,427,105.42
5. Step 5: Solve for x
   x = 425,427,105.42/22,060.84
6. Step 6: Final answer
   x = 19,284.27