Finding the Fourth Proportional to 42,245.68, 63,382.56 and 14,168.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,245.68 : 63,382.56 = 14,168.50 : x
2. Step 2: Convert to fraction form
   42,245.68/63,382.56 = 14,168.50/x
3. Step 3: Cross multiply
   42,245.68x = 63,382.56 × 14,168.50
4. Step 4: Simplify right side
   42,245.68x = 898,035,801.36
5. Step 5: Solve for x
   x = 898,035,801.36/42,245.68
6. Step 6: Final answer
   x = 21,257.46