Finding the Fourth Proportional to 24,479.31, 33,781.37 and 13,870.97

Step by Step Solution

1. Step 1: Write the proportion equation
   24,479.31 : 33,781.37 = 13,870.97 : x
2. Step 2: Convert to fraction form
   24,479.31/33,781.37 = 13,870.97/x
3. Step 3: Cross multiply
   24,479.31x = 33,781.37 × 13,870.97
4. Step 4: Simplify right side
   24,479.31x = 468,580,131.57
5. Step 5: Solve for x
   x = 468,580,131.57/24,479.31
6. Step 6: Final answer
   x = 19,141.88