Finding the Fourth Proportional to 12,385.76, 17,092.12 and 7,008.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.76 : 17,092.12 = 7,008.12 : x
2. Step 2: Convert to fraction form
   12,385.76/17,092.12 = 7,008.12/x
3. Step 3: Cross multiply
   12,385.76x = 17,092.12 × 7,008.12
4. Step 4: Simplify right side
   12,385.76x = 119,783,628.01
5. Step 5: Solve for x
   x = 119,783,628.01/12,385.76
6. Step 6: Final answer
   x = 9,671.08