Finding the Fourth Proportional to 12,736.17, 19,105.47 and 4,945.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.17 : 19,105.47 = 4,945.59 : x
2. Step 2: Convert to fraction form
   12,736.17/19,105.47 = 4,945.59/x
3. Step 3: Cross multiply
   12,736.17x = 19,105.47 × 4,945.59
4. Step 4: Simplify right side
   12,736.17x = 94,487,821.38
5. Step 5: Solve for x
   x = 94,487,821.38/12,736.17
6. Step 6: Final answer
   x = 7,418.86