Finding the Fourth Proportional to 3,527.60, 5,265.34 and 3,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527.60 : 5,265.34 = 3,308.72 : x
2. Step 2: Convert to fraction form
   3,527.60/5,265.34 = 3,308.72/x
3. Step 3: Cross multiply
   3,527.60x = 5,265.34 × 3,308.72
4. Step 4: Simplify right side
   3,527.60x = 17,421,535.76
5. Step 5: Solve for x
   x = 17,421,535.76/3,527.60
6. Step 6: Final answer
   x = 4,938.64