Finding the Fourth Proportional to 42,256.44, 63,363.42 and 14,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,256.44 : 63,363.42 = 14,166.72 : x
2. Step 2: Convert to fraction form
   42,256.44/63,363.42 = 14,166.72/x
3. Step 3: Cross multiply
   42,256.44x = 63,363.42 × 14,166.72
4. Step 4: Simplify right side
   42,256.44x = 897,651,829.38
5. Step 5: Solve for x
   x = 897,651,829.38/42,256.44
6. Step 6: Final answer
   x = 21,242.96