Finding the Fourth Proportional to 31,118.42, 46,665.48 and 13,576.34

Step by Step Solution

1. Step 1: Write the proportion equation
   31,118.42 : 46,665.48 = 13,576.34 : x
2. Step 2: Convert to fraction form
   31,118.42/46,665.48 = 13,576.34/x
3. Step 3: Cross multiply
   31,118.42x = 46,665.48 × 13,576.34
4. Step 4: Simplify right side
   31,118.42x = 633,546,422.74
5. Step 5: Solve for x
   x = 633,546,422.74/31,118.42
6. Step 6: Final answer
   x = 20,359.21