Finding the Fourth Proportional to 9,411.60, 12,996.27 and 5,880.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.60 : 12,996.27 = 5,880.84 : x
2. Step 2: Convert to fraction form
   9,411.60/12,996.27 = 5,880.84/x
3. Step 3: Cross multiply
   9,411.60x = 12,996.27 × 5,880.84
4. Step 4: Simplify right side
   9,411.60x = 76,428,984.47
5. Step 5: Solve for x
   x = 76,428,984.47/9,411.60
6. Step 6: Final answer
   x = 8,120.72