Finding the Fourth Proportional to 33,213, 45,830.28 and 19,782.42

Step by Step Solution

1. Step 1: Write the proportion equation
   33,213 : 45,830.28 = 19,782.42 : x
2. Step 2: Convert to fraction form
   33,213/45,830.28 = 19,782.42/x
3. Step 3: Cross multiply
   33,213x = 45,830.28 × 19,782.42
4. Step 4: Simplify right side
   33,213x = 906,633,847.68
5. Step 5: Solve for x
   x = 906,633,847.68/33,213
6. Step 6: Final answer
   x = 27,297.56