Finding the Fourth Proportional to 42,274.06, 63,418.40 and 14,196.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,274.06 : 63,418.40 = 14,196.83 : x
2. Step 2: Convert to fraction form
   42,274.06/63,418.40 = 14,196.83/x
3. Step 3: Cross multiply
   42,274.06x = 63,418.40 × 14,196.83
4. Step 4: Simplify right side
   42,274.06x = 900,340,243.67
5. Step 5: Solve for x
   x = 900,340,243.67/42,274.06
6. Step 6: Final answer
   x = 21,297.70