Finding the Fourth Proportional to 28,243.59, 42,377.35 and 14,196.22

Step by Step Solution

1. Step 1: Write the proportion equation
   28,243.59 : 42,377.35 = 14,196.22 : x
2. Step 2: Convert to fraction form
   28,243.59/42,377.35 = 14,196.22/x
3. Step 3: Cross multiply
   28,243.59x = 42,377.35 × 14,196.22
4. Step 4: Simplify right side
   28,243.59x = 601,598,042.18
5. Step 5: Solve for x
   x = 601,598,042.18/28,243.59
6. Step 6: Final answer
   x = 21,300.34