Finding the Fourth Proportional to 64,817.75, 89,455.71 and 40,943.27

Step by Step Solution

1. Step 1: Write the proportion equation
   64,817.75 : 89,455.71 = 40,943.27 : x
2. Step 2: Convert to fraction form
   64,817.75/89,455.71 = 40,943.27/x
3. Step 3: Cross multiply
   64,817.75x = 89,455.71 × 40,943.27
4. Step 4: Simplify right side
   64,817.75x = 3,662,608,840.29
5. Step 5: Solve for x
   x = 3,662,608,840.29/64,817.75
6. Step 6: Final answer
   x = 56,506.27