Finding the Fourth Proportional to 9,192.17, 12,673.98 and 7,773.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,192.17 : 12,673.98 = 7,773.32 : x
2. Step 2: Convert to fraction form
   9,192.17/12,673.98 = 7,773.32/x
3. Step 3: Cross multiply
   9,192.17x = 12,673.98 × 7,773.32
4. Step 4: Simplify right side
   9,192.17x = 98,518,838.84
5. Step 5: Solve for x
   x = 98,518,838.84/9,192.17
6. Step 6: Final answer
   x = 10,717.70