Finding the Fourth Proportional to 46,086.17, 69,126.15 and 12,805.49

Step by Step Solution

1. Step 1: Write the proportion equation
   46,086.17 : 69,126.15 = 12,805.49 : x
2. Step 2: Convert to fraction form
   46,086.17/69,126.15 = 12,805.49/x
3. Step 3: Cross multiply
   46,086.17x = 69,126.15 × 12,805.49
4. Step 4: Simplify right side
   46,086.17x = 885,194,395.38
5. Step 5: Solve for x
   x = 885,194,395.38/46,086.17
6. Step 6: Final answer
   x = 19,207.38