Finding the Fourth Proportional to 19,987.37, 29,975.82 and 5,943.61

Step by Step Solution

1. Step 1: Write the proportion equation
   19,987.37 : 29,975.82 = 5,943.61 : x
2. Step 2: Convert to fraction form
   19,987.37/29,975.82 = 5,943.61/x
3. Step 3: Cross multiply
   19,987.37x = 29,975.82 × 5,943.61
4. Step 4: Simplify right side
   19,987.37x = 178,164,508.57
5. Step 5: Solve for x
   x = 178,164,508.57/19,987.37
6. Step 6: Final answer
   x = 8,913.86