Finding the Fourth Proportional to 8,968.77, 12,376.95 and 5,429.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,968.77 : 12,376.95 = 5,429.46 : x
2. Step 2: Convert to fraction form
   8,968.77/12,376.95 = 5,429.46/x
3. Step 3: Cross multiply
   8,968.77x = 12,376.95 × 5,429.46
4. Step 4: Simplify right side
   8,968.77x = 67,200,154.95
5. Step 5: Solve for x
   x = 67,200,154.95/8,968.77
6. Step 6: Final answer
   x = 7,492.68