Finding the Fourth Proportional to 8,892.62, 12,262.59 and 7,637.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.62 : 12,262.59 = 7,637.82 : x
2. Step 2: Convert to fraction form
   8,892.62/12,262.59 = 7,637.82/x
3. Step 3: Cross multiply
   8,892.62x = 12,262.59 × 7,637.82
4. Step 4: Simplify right side
   8,892.62x = 93,659,455.15
5. Step 5: Solve for x
   x = 93,659,455.15/8,892.62
6. Step 6: Final answer
   x = 10,532.27