Finding the Fourth Proportional to 19,453.32, 29,145.78 and 13,877.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,453.32 : 29,145.78 = 13,877.82 : x
2. Step 2: Convert to fraction form
   19,453.32/29,145.78 = 13,877.82/x
3. Step 3: Cross multiply
   19,453.32x = 29,145.78 × 13,877.82
4. Step 4: Simplify right side
   19,453.32x = 404,479,888.60
5. Step 5: Solve for x
   x = 404,479,888.60/19,453.32
6. Step 6: Final answer
   x = 20,792.33