Finding the Fourth Proportional to 7,191.76, 10,783.92 and 3,298.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,191.76 : 10,783.92 = 3,298.72 : x
2. Step 2: Convert to fraction form
   7,191.76/10,783.92 = 3,298.72/x
3. Step 3: Cross multiply
   7,191.76x = 10,783.92 × 3,298.72
4. Step 4: Simplify right side
   7,191.76x = 35,573,132.58
5. Step 5: Solve for x
   x = 35,573,132.58/7,191.76
6. Step 6: Final answer
   x = 4,946.37