Finding the Fourth Proportional to 31,113.09, 42,936.15 and 17,684.43

Step by Step Solution

1. Step 1: Write the proportion equation
   31,113.09 : 42,936.15 = 17,684.43 : x
2. Step 2: Convert to fraction form
   31,113.09/42,936.15 = 17,684.43/x
3. Step 3: Cross multiply
   31,113.09x = 42,936.15 × 17,684.43
4. Step 4: Simplify right side
   31,113.09x = 759,301,339.14
5. Step 5: Solve for x
   x = 759,301,339.14/31,113.09
6. Step 6: Final answer
   x = 24,404.56