Finding the Fourth Proportional to 13,960.17, 19,264.71 and 7,586.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,960.17 : 19,264.71 = 7,586.61 : x
2. Step 2: Convert to fraction form
   13,960.17/19,264.71 = 7,586.61/x
3. Step 3: Cross multiply
   13,960.17x = 19,264.71 × 7,586.61
4. Step 4: Simplify right side
   13,960.17x = 146,153,841.53
5. Step 5: Solve for x
   x = 146,153,841.53/13,960.17
6. Step 6: Final answer
   x = 10,469.35