Finding the Fourth Proportional to 42,300.27, 63,448.08 and 14,217.43

Step by Step Solution

1. Step 1: Write the proportion equation
   42,300.27 : 63,448.08 = 14,217.43 : x
2. Step 2: Convert to fraction form
   42,300.27/63,448.08 = 14,217.43/x
3. Step 3: Cross multiply
   42,300.27x = 63,448.08 × 14,217.43
4. Step 4: Simplify right side
   42,300.27x = 902,068,636.03
5. Step 5: Solve for x
   x = 902,068,636.03/42,300.27
6. Step 6: Final answer
   x = 21,325.36