Finding the Fourth Proportional to 31,404.68, 43,336.42 and 17,976.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.68 : 43,336.42 = 17,976.04 : x
2. Step 2: Convert to fraction form
   31,404.68/43,336.42 = 17,976.04/x
3. Step 3: Cross multiply
   31,404.68x = 43,336.42 × 17,976.04
4. Step 4: Simplify right side
   31,404.68x = 779,017,219.38
5. Step 5: Solve for x
   x = 779,017,219.38/31,404.68
6. Step 6: Final answer
   x = 24,805.77