Finding the Fourth Proportional to 31,041.54, 46,532.25 and 12,315.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,041.54 : 46,532.25 = 12,315.42 : x
2. Step 2: Convert to fraction form
   31,041.54/46,532.25 = 12,315.42/x
3. Step 3: Cross multiply
   31,041.54x = 46,532.25 × 12,315.42
4. Step 4: Simplify right side
   31,041.54x = 573,064,202.30
5. Step 5: Solve for x
   x = 573,064,202.30/31,041.54
6. Step 6: Final answer
   x = 18,461.20