Finding the Fourth Proportional to 111,926.02, 154,448.49 and 64,168.42

Step by Step Solution

1. Step 1: Write the proportion equation
   111,926.02 : 154,448.49 = 64,168.42 : x
2. Step 2: Convert to fraction form
   111,926.02/154,448.49 = 64,168.42/x
3. Step 3: Cross multiply
   111,926.02x = 154,448.49 × 64,168.42
4. Step 4: Simplify right side
   111,926.02x = 9,910,715,574.69
5. Step 5: Solve for x
   x = 9,910,715,574.69/111,926.02
6. Step 6: Final answer
   x = 88,547.02