Finding the Fourth Proportional to 9,150.53, 13,719.59 and 2,908.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,150.53 : 13,719.59 = 2,908.67 : x
2. Step 2: Convert to fraction form
   9,150.53/13,719.59 = 2,908.67/x
3. Step 3: Cross multiply
   9,150.53x = 13,719.59 × 2,908.67
4. Step 4: Simplify right side
   9,150.53x = 39,905,790.51
5. Step 5: Solve for x
   x = 39,905,790.51/9,150.53
6. Step 6: Final answer
   x = 4,361.03