Finding the Fourth Proportional to 8,980.84, 12,405.18 and 7,734.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,980.84 : 12,405.18 = 7,734.52 : x
2. Step 2: Convert to fraction form
   8,980.84/12,405.18 = 7,734.52/x
3. Step 3: Cross multiply
   8,980.84x = 12,405.18 × 7,734.52
4. Step 4: Simplify right side
   8,980.84x = 95,948,112.81
5. Step 5: Solve for x
   x = 95,948,112.81/8,980.84
6. Step 6: Final answer
   x = 10,683.65