Finding the Fourth Proportional to 12,385.95, 17,095.95 and 7,667.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.95 : 17,095.95 = 7,667.61 : x
2. Step 2: Convert to fraction form
   12,385.95/17,095.95 = 7,667.61/x
3. Step 3: Cross multiply
   12,385.95x = 17,095.95 × 7,667.61
4. Step 4: Simplify right side
   12,385.95x = 131,085,077.18
5. Step 5: Solve for x
   x = 131,085,077.18/12,385.95
6. Step 6: Final answer
   x = 10,583.37