Finding the Fourth Proportional to 42,141.75, 63,216.27 and 10,977

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.75 : 63,216.27 = 10,977 : x
2. Step 2: Convert to fraction form
   42,141.75/63,216.27 = 10,977/x
3. Step 3: Cross multiply
   42,141.75x = 63,216.27 × 10,977
4. Step 4: Simplify right side
   42,141.75x = 693,924,995.79
5. Step 5: Solve for x
   x = 693,924,995.79/42,141.75
6. Step 6: Final answer
   x = 16,466.45