Finding the Fourth Proportional to 31,325.37, 43,228.72 and 17,177.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,325.37 : 43,228.72 = 17,177.91 : x
2. Step 2: Convert to fraction form
   31,325.37/43,228.72 = 17,177.91/x
3. Step 3: Cross multiply
   31,325.37x = 43,228.72 × 17,177.91
4. Step 4: Simplify right side
   31,325.37x = 742,579,061.58
5. Step 5: Solve for x
   x = 742,579,061.58/31,325.37
6. Step 6: Final answer
   x = 23,705.36