Finding the Fourth Proportional to 31,527.02, 43,506.72 and 17,187

Step by Step Solution

1. Step 1: Write the proportion equation
   31,527.02 : 43,506.72 = 17,187 : x
2. Step 2: Convert to fraction form
   31,527.02/43,506.72 = 17,187/x
3. Step 3: Cross multiply
   31,527.02x = 43,506.72 × 17,187
4. Step 4: Simplify right side
   31,527.02x = 747,749,996.64
5. Step 5: Solve for x
   x = 747,749,996.64/31,527.02
6. Step 6: Final answer
   x = 23,717.75