Finding the Fourth Proportional to 32,880.76, 45,362.70 and 20,941.96

Step by Step Solution

1. Step 1: Write the proportion equation
   32,880.76 : 45,362.70 = 20,941.96 : x
2. Step 2: Convert to fraction form
   32,880.76/45,362.70 = 20,941.96/x
3. Step 3: Cross multiply
   32,880.76x = 45,362.70 × 20,941.96
4. Step 4: Simplify right side
   32,880.76x = 949,983,848.89
5. Step 5: Solve for x
   x = 949,983,848.89/32,880.76
6. Step 6: Final answer
   x = 28,891.79