Finding the Fourth Proportional to 42,360.89, 63,528.35 and 14,273.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,360.89 : 63,528.35 = 14,273.42 : x
2. Step 2: Convert to fraction form
   42,360.89/63,528.35 = 14,273.42/x
3. Step 3: Cross multiply
   42,360.89x = 63,528.35 × 14,273.42
4. Step 4: Simplify right side
   42,360.89x = 906,766,432.45
5. Step 5: Solve for x
   x = 906,766,432.45/42,360.89
6. Step 6: Final answer
   x = 21,405.75