Finding the Fourth Proportional to 31,540.88, 43,503 and 21,466.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,540.88 : 43,503 = 21,466.16 : x
2. Step 2: Convert to fraction form
   31,540.88/43,503 = 21,466.16/x
3. Step 3: Cross multiply
   31,540.88x = 43,503 × 21,466.16
4. Step 4: Simplify right side
   31,540.88x = 933,842,358.48
5. Step 5: Solve for x
   x = 933,842,358.48/31,540.88
6. Step 6: Final answer
   x = 29,607.37