Finding the Fourth Proportional to 42,419.58, 63,621.54 and 16,117.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,419.58 : 63,621.54 = 16,117.98 : x
2. Step 2: Convert to fraction form
   42,419.58/63,621.54 = 16,117.98/x
3. Step 3: Cross multiply
   42,419.58x = 63,621.54 × 16,117.98
4. Step 4: Simplify right side
   42,419.58x = 1,025,450,709.29
5. Step 5: Solve for x
   x = 1,025,450,709.29/42,419.58
6. Step 6: Final answer
   x = 24,173.99