Finding the Fourth Proportional to 42,234.32, 63,365.52 and 20,045

Step by Step Solution

1. Step 1: Write the proportion equation
   42,234.32 : 63,365.52 = 20,045 : x
2. Step 2: Convert to fraction form
   42,234.32/63,365.52 = 20,045/x
3. Step 3: Cross multiply
   42,234.32x = 63,365.52 × 20,045
4. Step 4: Simplify right side
   42,234.32x = 1,270,161,848.40
5. Step 5: Solve for x
   x = 1,270,161,848.40/42,234.32
6. Step 6: Final answer
   x = 30,074.16