Finding the Fourth Proportional to 12,275.49, 16,946.59 and 9,580.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,275.49 : 16,946.59 = 9,580.93 : x
2. Step 2: Convert to fraction form
   12,275.49/16,946.59 = 9,580.93/x
3. Step 3: Cross multiply
   12,275.49x = 16,946.59 × 9,580.93
4. Step 4: Simplify right side
   12,275.49x = 162,364,092.53
5. Step 5: Solve for x
   x = 162,364,092.53/12,275.49
6. Step 6: Final answer
   x = 13,226.69