Finding the Fourth Proportional to 33,005.52, 45,539.55 and 19,580.18

Step by Step Solution

1. Step 1: Write the proportion equation
   33,005.52 : 45,539.55 = 19,580.18 : x
2. Step 2: Convert to fraction form
   33,005.52/45,539.55 = 19,580.18/x
3. Step 3: Cross multiply
   33,005.52x = 45,539.55 × 19,580.18
4. Step 4: Simplify right side
   33,005.52x = 891,672,358.42
5. Step 5: Solve for x
   x = 891,672,358.42/33,005.52
6. Step 6: Final answer
   x = 27,015.86