Finding the Fourth Proportional to 50,112.36, 68,997.69 and 42,543

Step by Step Solution

1. Step 1: Write the proportion equation
   50,112.36 : 68,997.69 = 42,543 : x
2. Step 2: Convert to fraction form
   50,112.36/68,997.69 = 42,543/x
3. Step 3: Cross multiply
   50,112.36x = 68,997.69 × 42,543
4. Step 4: Simplify right side
   50,112.36x = 2,935,368,725.67
5. Step 5: Solve for x
   x = 2,935,368,725.67/50,112.36
6. Step 6: Final answer
   x = 58,575.74