Finding the Fourth Proportional to 111,942.96, 154,476.72 and 64,163.04

Step by Step Solution

1. Step 1: Write the proportion equation
   111,942.96 : 154,476.72 = 64,163.04 : x
2. Step 2: Convert to fraction form
   111,942.96/154,476.72 = 64,163.04/x
3. Step 3: Cross multiply
   111,942.96x = 154,476.72 × 64,163.04
4. Step 4: Simplify right side
   111,942.96x = 9,911,695,964.43
5. Step 5: Solve for x
   x = 9,911,695,964.43/111,942.96
6. Step 6: Final answer
   x = 88,542.38