Finding the Fourth Proportional to 71,598.64, 107,394.24 and 21,676.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,598.64 : 107,394.24 = 21,676.72 : x
2. Step 2: Convert to fraction form
   71,598.64/107,394.24 = 21,676.72/x
3. Step 3: Cross multiply
   71,598.64x = 107,394.24 × 21,676.72
4. Step 4: Simplify right side
   71,598.64x = 2,327,954,870.09
5. Step 5: Solve for x
   x = 2,327,954,870.09/71,598.64
6. Step 6: Final answer
   x = 32,513.95