Finding the Fourth Proportional to 31,799.23, 47,745.69 and 17,786.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,799.23 : 47,745.69 = 17,786.71 : x
2. Step 2: Convert to fraction form
   31,799.23/47,745.69 = 17,786.71/x
3. Step 3: Cross multiply
   31,799.23x = 47,745.69 × 17,786.71
4. Step 4: Simplify right side
   31,799.23x = 849,238,741.78
5. Step 5: Solve for x
   x = 849,238,741.78/31,799.23
6. Step 6: Final answer
   x = 26,706.27