Finding the Fourth Proportional to 31,017.45, 42,804.51 and 17,588.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,017.45 : 42,804.51 = 17,588.37 : x
2. Step 2: Convert to fraction form
   31,017.45/42,804.51 = 17,588.37/x
3. Step 3: Cross multiply
   31,017.45x = 42,804.51 × 17,588.37
4. Step 4: Simplify right side
   31,017.45x = 752,861,559.55
5. Step 5: Solve for x
   x = 752,861,559.55/31,017.45
6. Step 6: Final answer
   x = 24,272.19