Finding the Fourth Proportional to 31,134.18, 42,964.96 and 17,705.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,134.18 : 42,964.96 = 17,705.42 : x
2. Step 2: Convert to fraction form
   31,134.18/42,964.96 = 17,705.42/x
3. Step 3: Cross multiply
   31,134.18x = 42,964.96 × 17,705.42
4. Step 4: Simplify right side
   31,134.18x = 760,712,662.08
5. Step 5: Solve for x
   x = 760,712,662.08/31,134.18
6. Step 6: Final answer
   x = 24,433.36