Finding the Fourth Proportional to 23,052, 31,813.92 and 13,116

Step by Step Solution

1. Step 1: Write the proportion equation
   23,052 : 31,813.92 = 13,116 : x
2. Step 2: Convert to fraction form
   23,052/31,813.92 = 13,116/x
3. Step 3: Cross multiply
   23,052x = 31,813.92 × 13,116
4. Step 4: Simplify right side
   23,052x = 417,271,374.72
5. Step 5: Solve for x
   x = 417,271,374.72/23,052
6. Step 6: Final answer
   x = 18,101.31