Finding the Fourth Proportional to 42,050.72, 63,119.82 and 30,969.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,050.72 : 63,119.82 = 30,969.92 : x
2. Step 2: Convert to fraction form
   42,050.72/63,119.82 = 30,969.92/x
3. Step 3: Cross multiply
   42,050.72x = 63,119.82 × 30,969.92
4. Step 4: Simplify right side
   42,050.72x = 1,954,815,775.81
5. Step 5: Solve for x
   x = 1,954,815,775.81/42,050.72
6. Step 6: Final answer
   x = 46,487.09