Finding the Fourth Proportional to 31,103.10, 42,922.17 and 16,955.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,103.10 : 42,922.17 = 16,955.94 : x
2. Step 2: Convert to fraction form
   31,103.10/42,922.17 = 16,955.94/x
3. Step 3: Cross multiply
   31,103.10x = 42,922.17 × 16,955.94
4. Step 4: Simplify right side
   31,103.10x = 727,785,739.19
5. Step 5: Solve for x
   x = 727,785,739.19/31,103.10
6. Step 6: Final answer
   x = 23,399.14