Finding the Fourth Proportional to 31,566.89, 43,563.35 and 17,421.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,566.89 : 43,563.35 = 17,421.05 : x
2. Step 2: Convert to fraction form
   31,566.89/43,563.35 = 17,421.05/x
3. Step 3: Cross multiply
   31,566.89x = 43,563.35 × 17,421.05
4. Step 4: Simplify right side
   31,566.89x = 758,919,298.52
5. Step 5: Solve for x
   x = 758,919,298.52/31,566.89
6. Step 6: Final answer
   x = 24,041.62