Finding the Fourth Proportional to 42,233.68, 63,368.94 and 20,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,233.68 : 63,368.94 = 20,062.72 : x
2. Step 2: Convert to fraction form
   42,233.68/63,368.94 = 20,062.72/x
3. Step 3: Cross multiply
   42,233.68x = 63,368.94 × 20,062.72
4. Step 4: Simplify right side
   42,233.68x = 1,271,353,299.92
5. Step 5: Solve for x
   x = 1,271,353,299.92/42,233.68
6. Step 6: Final answer
   x = 30,102.83