Finding the Fourth Proportional to 31,131.02, 42,959.84 and 17,519.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,131.02 : 42,959.84 = 17,519.82 : x
2. Step 2: Convert to fraction form
   31,131.02/42,959.84 = 17,519.82/x
3. Step 3: Cross multiply
   31,131.02x = 42,959.84 × 17,519.82
4. Step 4: Simplify right side
   31,131.02x = 752,648,664.03
5. Step 5: Solve for x
   x = 752,648,664.03/31,131.02
6. Step 6: Final answer
   x = 24,176.81