Finding the Fourth Proportional to 64,555.26, 89,111.39 and 40,677.27

Step by Step Solution

1. Step 1: Write the proportion equation
   64,555.26 : 89,111.39 = 40,677.27 : x
2. Step 2: Convert to fraction form
   64,555.26/89,111.39 = 40,677.27/x
3. Step 3: Cross multiply
   64,555.26x = 89,111.39 × 40,677.27
4. Step 4: Simplify right side
   64,555.26x = 3,624,807,867.72
5. Step 5: Solve for x
   x = 3,624,807,867.72/64,555.26
6. Step 6: Final answer
   x = 56,150.47