Finding the Fourth Proportional to 31,097.82, 42,914.07 and 17,670.30

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.82 : 42,914.07 = 17,670.30 : x
2. Step 2: Convert to fraction form
   31,097.82/42,914.07 = 17,670.30/x
3. Step 3: Cross multiply
   31,097.82x = 42,914.07 × 17,670.30
4. Step 4: Simplify right side
   31,097.82x = 758,304,491.12
5. Step 5: Solve for x
   x = 758,304,491.12/31,097.82
6. Step 6: Final answer
   x = 24,384.49