Finding the Fourth Proportional to 12,656.99, 17,468.15 and 9,300.95

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656.99 : 17,468.15 = 9,300.95 : x
2. Step 2: Convert to fraction form
   12,656.99/17,468.15 = 9,300.95/x
3. Step 3: Cross multiply
   12,656.99x = 17,468.15 × 9,300.95
4. Step 4: Simplify right side
   12,656.99x = 162,470,255.90
5. Step 5: Solve for x
   x = 162,470,255.90/12,656.99
6. Step 6: Final answer
   x = 12,836.41