Finding the Fourth Proportional to 31,132.49, 42,966.42 and 17,336.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,132.49 : 42,966.42 = 17,336.21 : x
2. Step 2: Convert to fraction form
   31,132.49/42,966.42 = 17,336.21/x
3. Step 3: Cross multiply
   31,132.49x = 42,966.42 × 17,336.21
4. Step 4: Simplify right side
   31,132.49x = 744,874,880.07
5. Step 5: Solve for x
   x = 744,874,880.07/31,132.49
6. Step 6: Final answer
   x = 23,925.97