Finding the Fourth Proportional to 33,288.53, 45,938.05 and 19,860.35

Step by Step Solution

1. Step 1: Write the proportion equation
   33,288.53 : 45,938.05 = 19,860.35 : x
2. Step 2: Convert to fraction form
   33,288.53/45,938.05 = 19,860.35/x
3. Step 3: Cross multiply
   33,288.53x = 45,938.05 × 19,860.35
4. Step 4: Simplify right side
   33,288.53x = 912,345,751.32
5. Step 5: Solve for x
   x = 912,345,751.32/33,288.53
6. Step 6: Final answer
   x = 27,407.21