Finding the Fourth Proportional to 42,366.72, 63,550.72 and 20,182.40

Step by Step Solution

1. Step 1: Write the proportion equation
   42,366.72 : 63,550.72 = 20,182.40 : x
2. Step 2: Convert to fraction form
   42,366.72/63,550.72 = 20,182.40/x
3. Step 3: Cross multiply
   42,366.72x = 63,550.72 × 20,182.40
4. Step 4: Simplify right side
   42,366.72x = 1,282,606,051.33
5. Step 5: Solve for x
   x = 1,282,606,051.33/42,366.72
6. Step 6: Final answer
   x = 30,273.90