Finding the Fourth Proportional to 8,985.76, 13,472.81 and 3,719.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,985.76 : 13,472.81 = 3,719.34 : x
2. Step 2: Convert to fraction form
   8,985.76/13,472.81 = 3,719.34/x
3. Step 3: Cross multiply
   8,985.76x = 13,472.81 × 3,719.34
4. Step 4: Simplify right side
   8,985.76x = 50,109,956.50
5. Step 5: Solve for x
   x = 50,109,956.50/8,985.76
6. Step 6: Final answer
   x = 5,576.60