Finding the Fourth Proportional to 59,936.84, 89,905.18 and 56,243.24

Step by Step Solution

1. Step 1: Write the proportion equation
   59,936.84 : 89,905.18 = 56,243.24 : x
2. Step 2: Convert to fraction form
   59,936.84/89,905.18 = 56,243.24/x
3. Step 3: Cross multiply
   59,936.84x = 89,905.18 × 56,243.24
4. Step 4: Simplify right side
   59,936.84x = 5,056,558,615.98
5. Step 5: Solve for x
   x = 5,056,558,615.98/59,936.84
6. Step 6: Final answer
   x = 84,364.78