Finding the Fourth Proportional to 9,086.66, 12,537.68 and 5,358.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.66 : 12,537.68 = 5,358.50 : x
2. Step 2: Convert to fraction form
   9,086.66/12,537.68 = 5,358.50/x
3. Step 3: Cross multiply
   9,086.66x = 12,537.68 × 5,358.50
4. Step 4: Simplify right side
   9,086.66x = 67,183,158.28
5. Step 5: Solve for x
   x = 67,183,158.28/9,086.66
6. Step 6: Final answer
   x = 7,393.60