Finding the Fourth Proportional to 32,863, 45,347.69 and 20,119.78

Step by Step Solution

1. Step 1: Write the proportion equation
   32,863 : 45,347.69 = 20,119.78 : x
2. Step 2: Convert to fraction form
   32,863/45,347.69 = 20,119.78/x
3. Step 3: Cross multiply
   32,863x = 45,347.69 × 20,119.78
4. Step 4: Simplify right side
   32,863x = 912,385,546.31
5. Step 5: Solve for x
   x = 912,385,546.31/32,863
6. Step 6: Final answer
   x = 27,763.31