Finding the Fourth Proportional to 12,880.50, 19,323.18 and 5,955

Step by Step Solution

1. Step 1: Write the proportion equation
   12,880.50 : 19,323.18 = 5,955 : x
2. Step 2: Convert to fraction form
   12,880.50/19,323.18 = 5,955/x
3. Step 3: Cross multiply
   12,880.50x = 19,323.18 × 5,955
4. Step 4: Simplify right side
   12,880.50x = 115,069,536.90
5. Step 5: Solve for x
   x = 115,069,536.90/12,880.50
6. Step 6: Final answer
   x = 8,933.62