Finding the Fourth Proportional to 31,748.67, 47,581.22 and 17,715.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,748.67 : 47,581.22 = 17,715.30 : x
2. Step 2: Convert to fraction form
   31,748.67/47,581.22 = 17,715.30/x
3. Step 3: Cross multiply
   31,748.67x = 47,581.22 × 17,715.30
4. Step 4: Simplify right side
   31,748.67x = 842,915,498.09
5. Step 5: Solve for x
   x = 842,915,498.09/31,748.67
6. Step 6: Final answer
   x = 26,549.63