Finding the Fourth Proportional to 31,152.02, 42,989.94 and 17,004.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,152.02 : 42,989.94 = 17,004.92 : x
2. Step 2: Convert to fraction form
   31,152.02/42,989.94 = 17,004.92/x
3. Step 3: Cross multiply
   31,152.02x = 42,989.94 × 17,004.92
4. Step 4: Simplify right side
   31,152.02x = 731,040,275.56
5. Step 5: Solve for x
   x = 731,040,275.56/31,152.02
6. Step 6: Final answer
   x = 23,466.87