Finding the Fourth Proportional to 31,776.58, 47,664.83 and 12,055.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,776.58 : 47,664.83 = 12,055.10 : x
2. Step 2: Convert to fraction form
   31,776.58/47,664.83 = 12,055.10/x
3. Step 3: Cross multiply
   31,776.58x = 47,664.83 × 12,055.10
4. Step 4: Simplify right side
   31,776.58x = 574,604,452.21
5. Step 5: Solve for x
   x = 574,604,452.21/31,776.58
6. Step 6: Final answer
   x = 18,082.64