Finding the Fourth Proportional to 42,219.72, 63,333.24 and 11,055

Step by Step Solution

1. Step 1: Write the proportion equation
   42,219.72 : 63,333.24 = 11,055 : x
2. Step 2: Convert to fraction form
   42,219.72/63,333.24 = 11,055/x
3. Step 3: Cross multiply
   42,219.72x = 63,333.24 × 11,055
4. Step 4: Simplify right side
   42,219.72x = 700,148,968.20
5. Step 5: Solve for x
   x = 700,148,968.20/42,219.72
6. Step 6: Final answer
   x = 16,583.46