Finding the Fourth Proportional to 31,123.58, 42,953.09 and 17,699.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,123.58 : 42,953.09 = 17,699.04 : x
2. Step 2: Convert to fraction form
   31,123.58/42,953.09 = 17,699.04/x
3. Step 3: Cross multiply
   31,123.58x = 42,953.09 × 17,699.04
4. Step 4: Simplify right side
   31,123.58x = 760,228,369.54
5. Step 5: Solve for x
   x = 760,228,369.54/31,123.58
6. Step 6: Final answer
   x = 24,426.13