Finding the Fourth Proportional to 31,137.03, 42,967.80 and 17,706.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,137.03 : 42,967.80 = 17,706.42 : x
2. Step 2: Convert to fraction form
   31,137.03/42,967.80 = 17,706.42/x
3. Step 3: Cross multiply
   31,137.03x = 42,967.80 × 17,706.42
4. Step 4: Simplify right side
   31,137.03x = 760,805,913.28
5. Step 5: Solve for x
   x = 760,805,913.28/31,137.03
6. Step 6: Final answer
   x = 24,434.12