Finding the Fourth Proportional to 42,231.68, 63,365.94 and 20,060.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,231.68 : 63,365.94 = 20,060.72 : x
2. Step 2: Convert to fraction form
   42,231.68/63,365.94 = 20,060.72/x
3. Step 3: Cross multiply
   42,231.68x = 63,365.94 × 20,060.72
4. Step 4: Simplify right side
   42,231.68x = 1,271,166,379.88
5. Step 5: Solve for x
   x = 1,271,166,379.88/42,231.68
6. Step 6: Final answer
   x = 30,099.83