Finding the Fourth Proportional to 111,914.62, 154,455.51 and 64,167.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,914.62 : 154,455.51 = 64,167.82 : x
2. Step 2: Convert to fraction form
   111,914.62/154,455.51 = 64,167.82/x
3. Step 3: Cross multiply
   111,914.62x = 154,455.51 × 64,167.82
4. Step 4: Simplify right side
   111,914.62x = 9,911,073,363.69
5. Step 5: Solve for x
   x = 9,911,073,363.69/111,914.62
6. Step 6: Final answer
   x = 88,559.24