Finding the Fourth Proportional to 112,550.68, 155,333.33 and 64,813.33

Step by Step Solution

1. Step 1: Write the proportion equation
   112,550.68 : 155,333.33 = 64,813.33 : x
2. Step 2: Convert to fraction form
   112,550.68/155,333.33 = 64,813.33/x
3. Step 3: Cross multiply
   112,550.68x = 155,333.33 × 64,813.33
4. Step 4: Simplify right side
   112,550.68x = 10,067,669,438.59
5. Step 5: Solve for x
   x = 10,067,669,438.59/112,550.68
6. Step 6: Final answer
   x = 89,450.10