Finding the Fourth Proportional to 31,427.38, 43,369.71 and 17,280.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,427.38 : 43,369.71 = 17,280.46 : x
2. Step 2: Convert to fraction form
   31,427.38/43,369.71 = 17,280.46/x
3. Step 3: Cross multiply
   31,427.38x = 43,369.71 × 17,280.46
4. Step 4: Simplify right side
   31,427.38x = 749,448,538.87
5. Step 5: Solve for x
   x = 749,448,538.87/31,427.38
6. Step 6: Final answer
   x = 23,846.99